Biomass Power’s Footprint (Part 2)

  • The future site of Russell Biomass Power Plant is already used as storage space for chips that are sold to another biomass operation.(Photo courtesy of Shawn Allee)

Biomass power is the new-fangled alternative energy source that uses a pretty old technology: basically, you just burn plants, usually wood, for electrical power.

Many states are looking into biomass power because they have plenty of wood and sometimes wind or solar farms meet resistance from neighbors.

For a while, Massachussetts looked like it would give biomass power a big boost.
Shawn Allee found the state could change its mind:

Transcript

Biomass power is the new-fangled alternative energy source that uses a pretty old technology: basically, you just burn plants, usually wood, for electrical power.

Many states are looking into biomass power because they have plenty of wood and sometimes wind or solar farms meet resistance from neighbors.

For a while, Massachussetts looked like it would give biomass power a big boost.
Shawn Allee found the state could change its mind.

A guy named John Bos gives me a tour of an old lumber mill.

It’s in Western Massachussetts, in a town called Russell.
The mill’s almost in ruins.

“So you can see this … it looks like movie set out of a bad , bad-guy movie.”

“Definitely. Watch your footing there .. ”

This factory used to turn wood into lumber, charcoal and paper.

Bos’ brother and other investors want to give the place a new life … but wood will still play a key role.

“We are walking into the site of what will be Russell Biomass.”

The Russell biomass plant would be a power station that burns wood to generate electricity.

It’d burn through half a million tons of wood each year.

And if you think that’s a lot of trees going up in smoke, Bos says the plant will use mostly waste wood.

“Our wood will come from discarded pallets, stump removal from development. Road side trimming. Every year there’s road-side trimming to keep utility lines clear. There’s a lot of waste wood out there.”

This is controversial talk in Western Massachussetts.

Critics of biomass power don’t trust the idea that local supplies of “waste wood” will hold out since investors are planning five biomass power plants.

Chris Matera is one critic.
Matera shows me what he fears could happen if projects like Russell Biomass come through.

He takes me to forest that surrounds a long, thin reservoir.

The forest filters rainwater and keeps the reservoir clean and clear.
The reservoir happens to supply water to the Boston metro area.
Anyway, Matera shows me there’s logging here.

“We’re looking at big stumps and rutted out muddy areas on a steep slope that actually dr ain into the watershed eventually. It’s not gonna help the water quality. This is a place you’re not even allowed to cross-country ski to protect the watershed. A lot of places you’re not even allowed to hike.”

These trees were NOT cut for biomass power, but Matera fears new biomass plants will use up cheap waste wood …
Then, they’d resort to logging like this to keep producing electricity.
And the water quality in reservoirs, streams and rivers would suffer.

There’s been plenty of heat between biomass proponents and their critics.

One sticking point is whether Massachussetts should subsidize biomass power in the same way it does other renewable power sources, like wind and solar.

The state hired an outside consulting group called Manomet to help it decide.

“We’ve been asked by the state of Massachusetts to answer some basic fundamental questions about woody biomass energy.”

John Hagan is Manomet’s president.
Hagan’s supposed to answer whether there’s enough waste wood or any kind of wood to supply biomass plants planned for Massachussetts.

He says his group’s not entirely finished, but …

“I think if four, fifty megawatt plants went in, they’d almost certainly have to pull wood from beyond the boundaries of the State of Massachusetts.”

Hagan says this doesn’t necessarily mean forests in the state will suffer … his group’s not finished with its report, after all.

But he thinks it’s good Massaschussetts is questioning whether biomass deserves extra financial help.

Hagan says states are subsidizing biomass without thinking through all the effects … not just on local jobs … but also forests, and local air and water pollution.

For The Environment Report, I’m Shawn Allee.

Related Links

Is Wood Biomass Just Blowing Smoke? (Part 1)

  • President of Manomet consulting group John Hagan says the bottom line is that biomass can be carbon neutral ... if subsidies and policies are precise.(Photo courtesy of Shawn Allee)

State governments often mandate power companies to buy alternative energy.
They figure it’s worth having everyone buck up and pay extra since these don’t contribute carbon dioxide emissions that change the climate.But what energy sources should make the cut?
Shawn Allee found one is getting lots of scrutiny.

Transcript

State governments often mandate power companies to buy alternative energy.
They figure it’s worth having everyone buck up and pay extra since these don’t contribute carbon dioxide emissions that change the climate.

But what energy sources should make the cut?

Shawn Allee found one is getting lots of scrutiny.

Bob Cleaves heads up the Biomass Power Association.

He spends a lot of time pitching the idea that electricity made by burning wood is worth government help.
After all, he can’t sell the idea of biomass on price.

Electricity generated from wood had to compete with coal and natural gas and it became very difficult to operate these plants on a profitable basis.

Cleaves says other alternative energy sources are expensive, too, but biomass has extra benefits …
He says try running solar panels at night – biomass power plants run 24-7.

But Cleaves admits he’s got explaining to do when it comes to carbon emissions.

You know, from burning wood.

when you burn something you release CO2 …

For years, Cleaves could follow-up with a simple argument.

He’d just run through the carbon cycle idea you might recall from high school.

You know, you burn trees.
That releases CO2.
Then, as trees re-grow, they absorb that same carbon again …

These are carbons that are recycled into the environment in a closed-loop fashion.

This argument often won out.
Many states give biomass from wood subsidies, since they considered it carbon neutral.

The US House came close to doing the same thing last year.

But lately, biomass’ rep got into trouble.

Well, the carbon issue came up in the fall as a result of an article published in Science magazine.

The title of the article was “Fixing a Critical Climate Accounting Error.”
It challenged the idea that biomass power from wood or anything else is always carbon neutral.

Critics now use the article’s arguments against biomass subsidies.

“This policy is intended to reduce carbon emissions and it’s doing the exact opposite.”

This is Jana Chicoine, an anti-biomass activist from Massachussetts.

She says, sure, trees you cut for power now will grow back and then re-absorb carbon.

But not soon.

“It will create a pulse of carbon emissions that will spike for decades. Policy makers are telling us we are in a carbon crisis and that we have to reduce carbon emissions now.”

So, Chicoine says it makes no sense to subsidize biomass technology.

It’s going to harm public policy on clean energy. Those funds should be going to the truly valuable contributors to the energy problem like wind and solar, conservation and efficiency.

Well, Chicoine and other biomass critics won a temporary victory in Massachusetts.

The state was leaning toward subsidizing biomass power, but it held off a final decision.

It’s waiting for advice from an environmental consulting group called Manomet.

President John Hagan says people expect a simple answer: would a biomass industry in Massachusetts be carbon neutral or not?

“The last thing you want to hear a scientist say is, it’s complicated, but I’m afraid it is in this case.”

The latest research suggests some biomass power operations can be carbon neutral while others won’t be.

The best operations would use tree trimmings or waste wood like sawdust. That keeps more trees in the ground … absorbing carbon.

Biomass power plants prefer to use waste wood anyway, since it’s cheap.
But Hagan says maybe more biomass plants will all chase the same scrap wood.

Prices will rise … and suddenly standing trees start looking cheaper.

It’s like a puzzle, when you push on one piece, eighteen other things move.

Hagan says the bottom line is that biomass can be carbon neutral … if subsidies and policies are precise.
He says policies should work like scalpels.

But often, they’re simple … and work more like big axes.

For The Environment Report, I’m Shawn Allee.

Related Links

No Tax Credit for Biomass

  • Biomass power is produced from organic waste such as wood chips or grass. (Photo courtesy of the National Renewable Energy Laboratory)

When Congress approved production
tax credits for renewable energy,
not every industry got the same
treatment. Lester Graham reports
biomass power is not getting the
subsidies that other alternative
energy sources get:

Transcript

When Congress approved production
tax credits for renewable energy,
not every industry got the same
treatment. Lester Graham reports
biomass power is not getting the
subsidies that other alternative
energy sources get:

Biomass power – produced from organic waste such as wood chips, grass or stuff that would otherwise just be thrown away – got half the tax credit that wind and solar did. And, instead of the tax credit lasting ten years like the other renewable energy sectors, biomass power got five years.

Bob Cleaves is the president of the Biomass Power Association. He says that tax credit for biomass is now gone.

“And our industry, frankly, is in crisis at the moment because Congress has let expire existing production tax credits we were only given five years for and if those are not brought back to life, then I’m afraid we’re not going to be growing the baseline, we’re going to be losing the baseline.”

Cleaves says without the tax credit, some states will be at a disadvantage in meeting the federal government’s requirments for more electricity to come from renewable energy.

For The Environment Report, I’m Lester Graham.

Related Links

Biofuels in Europe: Part 3

  • Jühnde’s biomass power plant runs 24/7 and gets fed manure and grains every day. (Photo by Sadie Babits)

People fed up with hearing
about an energy crisis talk
about going off the grid.
In the US, the solution is
to install solar panels on
your roof or put up a wind
turbine. But a village in
Germany has taken a different
approach. In the final part
of our three-part series on
biofuels in Europe, Sadie
Babits explains:

Transcript

People fed up with hearing
about an energy crisis talk
about going off the grid.
In the US, the solution is
to install solar panels on
your roof or put up a wind
turbine. But a village in
Germany has taken a different
approach. In the final part
of our three-part series on
biofuels in Europe, Sadie
Babits explains:

The village of Juhnde sits between rolling farmland and woods. The first buildings went up more than a thousand years ago. It looks like a lot of German villages – narrow streets, terra cotta roofs, and a towering church steeple. But talk to anyone here and they’ll tell you Juhnde is no ordinary town. It’s the first community in Germany to be powered and heated by cow manure and grain.

“This is the biogas power station on this side.“

That’s Gerd Paffenholz. He’s lived here in Juhnde for 20 years. He volunteers to show visitors, like me, the village’s bio-energy plant.

“This is the wood heating system and what you don’t see is the network that deliver the hot water in the ground.”

Paffenholz stands on top of an underground storage tank. The liquid manure in here gets pumped over to a massive green tank. That’s the anerobic digester. There, micro-organisms have a hay day eating manure and grains supplied by farmers in Juhnde. The bacteria create biogas, which then gets combusted into heat and electricity. It’s pretty silent outside the power station but open the door…

(engine sound)

That’s the sound of 700 kilowatts of power being generated. The electricity gets sent to the public network. It provides this village of 750 people with renewable power. There’s an added bonus – energy that’s normally lost while making biogas gets captured and is used to heat water. That hot water gets delivered through a series of underground pipes to heat most of the homes in Juhnde.

The village’s bioenergy plant went live five years ago. The price tag? Nearly 8 million dollars. The money came through a government grant and from residents who each ponied up thousands of dollars to join the plant cooperative. The village has also cut its greenhouse gas emissions in half already meeting targets set by the European Union for 2050.

“It shows you what some wise investments and collective thinking can make happen.”

That’s Jim McMillan. He researches biofuels at the National Renewable Energy Laboratory in Boulder, Colorado. He says Juhnde has created an attractive model that could work in the Northern US and Canada where people are more remote and winters are long and hard.

“It’s a good model but Europe, I mean, they’re built out much more than we are and they are doing a lot more in building. They’re density of building, the size of their square foot of their homes are much more right size and so these solutions are easier to implement there than they are here I mean we have a lot more big homes that require a lot more heat.”

Our attitudes are different too. It took several years to get Juhnde’s residents to buy into the idea of going off the grid but now most everyone is on board. Here in the U.S. we’re a lot more individualistic. But McMillan still sees a lot of promise in what Juhnde accomplished.

“So one village is a good example but we need to apply it across the board.”


Other villages in Germany are building bio energy plants. In the U.S. a few towns are attempting parts of Juhnde’s efforts. Reynolds, Indiana replaced the town’s vehicle fleet with cars and trucks that run on bio fuel. It’s now working with a company to turn algae into power. And in Grand Marais, Minnesota, they want to build a central heating system for the town that burns wood chips from the local saw mill.

For The Environment Report, I’m Sadie Babits.

Related Links

Biofuels in Europe: Part 1

  • The National Renewable Energy Laboratory's cellulosic ethanol plant. (Photo courtesy of the National Renewable Energy Laboratory)

The US government is spending
millions of dollars to build bio-energy
plants. They’ll turn everything from
wood chips to algae into energy. But
these facilities are years behind what
they are already doing in Europe –
especially in Germany. In the first
part of our three-part series on biofuels
in Europe, Sadie Babits takes us to one
German plant that makes green energy
on a massive scale:

Transcript

The US government is spending
millions of dollars to build bio-energy
plants. They’ll turn everything from
wood chips to algae into energy. But
these facilities are years behind what
they are already doing in Europe –
especially in Germany. In the first
part of our three-part series on biofuels
in Europe, Sadie Babits takes us to one
German plant that makes green energy
on a massive scale:

We’re in Eastern Germany where crews work on what looks like brew vats.

(construction sound)

These monster tanks remind me of vats for brewing beer, except these vats will brew energy from fermenting rye, manure and bacteria.

“Basically, we’re standing here in front of the biogas and bio fertilizer production area. The big fermenter is for the biogas production.”

Oliver Lutke is our tour guide. He’s really a chemical engineer for Verbio. The company is one of Germany’s largest commercial producers of biofuels. Lutke’s been involved in turning this ethanol facility into a plant that makes ethanol and biogas. That’s methane.

“We convert everything into energy by using biological processes. This combination biogas and bioethanol production plant isn’t existing in the world.”

That’s what Verbio claims anyway. The company buys grain from some four-thousand farmers in the region. The grain gets turned into biogas and ethanol. Verbio then turns the minerals from making these biofuels into fertilizer.
That goes back to the farmers for their crops.

“We’re closing the loop to the farmer converting all the carbon to energy and the minerals going back to the farmers as fertilizer which is growing the plants used to extract the energy.”

Lutke says the company has the technology to make this industrial sized plant profitable. That baffles skeptics because it costs a lot to make green energy. You have to buy the grain. And the actual process of turning that grain into fuel can be really inefficient. By the time you’ve made one gallon of biofuel, that gallon of oil is cheaper.

Jan Liebetrau isn’t convinced Verbio has the answer. He researches bioenergy and its potential in Germany.

“If you put lots of energy into the system and you get bioethanol you’re putting more energy in than you get out.”

So making bio ethanol costs energy, which defeats the whole purpose of producing it in the first place. Lutke doesn’t see it that way. He says Verbio has the technology to make biofuels without losing energy. And because the company’s process is more efficient, Lutke says they’ve cut down on greenhouse gas emissions.

“We emit 200,000 tons and the plants we are using will eat off 180,000 tons and that’s a closed cycle.”

It’s not perfect, but there’s less greenhouse gas being released than, say, from an oil refinery. Lutke is convinced bio energy will play a big role in cutting greenhouse gas emissions.

Germany, and Europe for that matter, have become leaders on this. Germany wants to be the first industrialized nation to be powered entirely by renewable energy – a goal Germany could reach by 2050, well ahead of the U.S.

For The Environment Report, I’m Sadie Babits.

Related Links

Using Grass for Electricity

  • John Caveny operates a farm in central Illinois. He was one of the state's first cultivators of miscanthus gigantus, a type of grass that can be burned for heat or electicity generation. Caveny predicts biomass will start small but if properly managed and marketed, could become utility scale. (Photo by Shawn Allee)

Energy experts are thinking through
how to replace coal that’s burned
in American power stations. One
alternative is to burn plants,
because they can produce fewer
greenhouse gas emissions. This
is called biomass power. In the
Midwest, there’s talk of growing
millions of acres of grass for biomass.
Shawn Allee looks at whether
the region’s up to the challenge:

Transcript

Energy experts are thinking through
how to replace coal that’s burned
in American power stations. One
alternative is to burn plants,
because they can produce fewer
greenhouse gas emissions. This
is called biomass power. In the
Midwest, there’s talk of growing
millions of acres of grass for biomass.
Shawn Allee looks at whether
the region’s up to the challenge:

One Midwest farmer who grows biomass crops is John Caveny of Illinois. Caveny shows me some gigantic grass called miscanthus.

Caveny: ”You can get an idea of how big it is. It’d be eleven or twelve feet tall right now. and it’s still not done growing.”

Allee: ”It’s pretty sturdy stuff.”

(rustle)

Caveny: ”That’s the thing about it.”

(rustle)

Caveny says you can burn miscanthus and other energy grasses to make electricity. The idea’s to replace coal, which spews carbon dioxide, a greenhouse gas.

”Unlike wind energy or solar that just dispalce fossil carbon use, these plants here, displace fossil carbon use, but in addition they take CO2 out of the air and store it in the soils.”

Energy experts say that’s true, at least for a while. But they say to do much good, lots of utilities need to burn energy grasses. Caveny would love that, but there’s a problem.

Caveny: ”There’s this whole concept of the valley of death.”

Allee: ”I haven’t heard this term. Valley of death?”

Caveny: ”Valley of death is you’ve got a user here and a producer here and you gotta get ’em to match up.”

This valley is a gap between supply and demand for energy grass. It exists because utilities won’t invest in biomass electrical equipment until farmers prove they can grow enough grass. Caveny says farmers will start small.

”You might want to heat a shopping mall or a small strip mall or something like that.”

Caveny says those kinds of projects will make utilities confident in the grass market – and then they’d cross that valley of death. They’ll invest, they’ll buy energy grass and they’ll power suburbs and cities with biomass. That’s his prediction, though.

At a Midwestern farm expo, I find people who say this valley of death is too wide.

Bryan Reggie is showing off equipment that squishes energy grass into briquettes.

Reggie: ”It’s roughly the size of a golf ball, but a cylinder in shape.”

Allee: ”Like a hockey puck almost.”

Reggie: ”Yeah.”

Reggie makes biomass equipment for farmers who want cheap heat, and these grass hockey pucks work.

Allee: ”What, you burn these?”

Reggie: ”Yeah, you burn these in biomass boilers.”

Allee: ”You’d want to heat a farm house or something?”

Reggie: ”Yeah, maybe a green house or larger space.”

Reggie says energy grass could be great for farms, but big-city electric utilities will not cross that “financial valley of death” Caveny talked about. They’d need too much biomass.

”When you get bigger scale, you have to start trucking in all your fuel from long distance. Biomass transportation costs are high, so you want to transport as little as possible. That’s a good reason to keep it small and keep everything local.”

After Reggie’s equipment demonstration, I bump into Steve Flick. He’s with Show Me Energy, a Missouri co-op. Flick is a kind of biomass celebrity because he actually got a coal-fired power plant to test-burn his energy grass. That test worked, but so far no utility has volunteered to give up coal. Flick predicts groups of Midwestern farmers will build tiny power plants.

Flick: ”We think these models would be every fifty to sixty miles apart and the producers that owned those organizations would benefit.”

Allee: ”You wouldn’t necessarily be lighting up St. Louis or lighting up Chicago, right?”

Flick: ”Presently, we’re not trying to settle all the world’s problems, just our little piece of it right now.”

Flick says forget that financial valley of death idea – only energy pundits dream of powering a metropolis with biomass, at least while coal is so cheap.

He says biomass can power a good chunk of rural America, and for now that’s good enough.

For The Environment Report, I’m Shawn Allee.

Related Links

Small Supply of Green Fuel

  • The smaller supply of cellulosic ethanol might mean the country uses less efficient ethanol from corn, or keeps using more gasoline. (Photo courtesy of the National Renewable Energy Laboratory)

Cellulosic ethanol is supposed to
be a green fuel for cars – greener
than conventional ethanol made from
corn. The government wanted industry
to create loads of cellulosic ethanol
next year. Shawn Allee reports
industry might provide just a trickle:

Transcript

Cellulosic ethanol is supposed to
be a green fuel for cars – greener
than conventional ethanol made from
corn. The government wanted industry
to create loads of cellulosic ethanol
next year. Shawn Allee reports
industry might provide just a trickle:

The fuel industry’s supposed to create 100 million gallons of cellulosic-ethanol next
year. But industry leaders say they might create just 12 million gallons.

Wes Bolsen is with Coskata. His company can create ethanol from wood chips and even
household trash. Bolsen says companies like his found some investment money – but the
financial crisis created delays.

“We’re building refineries – 300, 400 million dollar assets and that’s a lot of money
to come together. We’re two years delayed, the whole industry. We can’t open them
in 2010. Facilities will start opening in 2012.”

The federal government might have to shift mandates for cellulosic ethanol into the
future.

That could mean the country uses less efficient ethanol from corn, or keeps using more
gasoline.

For The Environment Report, I’m Shawn Allee.

Related Links

Energy Bill to Include Boost for Biomass?

  • Biomass is catch-all term for technology that turns things like wood chips into energy or heat. (Photo by Susan Mittleman)

Congress could wrap up a huge energy bill by this fall.
It could include a minimum renewable energy standard for
utilities. That’d mean more wind and solar-generated power.
Shawn Allee reports biomass could get a boost, too:

Transcript

Congress could wrap up a huge energy bill by this fall.
It could include a minimum renewable energy standard for
utilities. That’d mean more wind and solar-generated power.
Shawn Allee reports biomass could get a boost, too:

Biomass is catch-all term for technology that turns grass, wood chips, or even algae into energy or heat.

It’s usually ignored in political discussions, but Vermont Senator Bernie Sanders brought it up in a recent hearing.

He says he was inspired by a power plant he saw at Middlebury College.

“I went to a plant they have on campus which is using wood chips replacing oil they are saving $700,000 a year and creating local jobs and cutting greenhouse gas emissions.”

Congress is considering what kind of plants and agricultural waste might qualify as “renewable biomass energy.”

Some energy analysts say some plants shouldn’t be included, since it could take too much energy collect and transport them.

For The Environment Report, I’m Shawn Allee.

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From the Trees to the Tank

  • Chuck Leavell plays keyboards for the Rolling Stones. But he also owns a plantation outside of Macon, Georgia, with 2500 acres of pine trees. (Photo by Susan Mittleman)

Finding alternative fuel sources in our country involves looking at what nature has to
offer. In the West, they’re harnessing wind and solar energy. In the Heartland, it’s sweet
crops like corn. Susan Mittleman reports, in the South, they’re looking to their forests to
make cleaner, greener fuels:

Transcript

Finding alternative fuel sources in our country involves looking at what nature has to
offer. In the West, they’re harnessing wind and solar energy. In the Heartland, it’s sweet
crops like corn. Susan Mittleman reports, in the South, they’re looking to their forests to
make cleaner, greener fuels:

Chuck Leavell plays keyboards for the Rolling Stones. But when he’s not on the road, he
spends his time on his plantation outside of Macon, Georgia, tending to some 2500 acres
of pine trees.

“This is our tree farm here.”

From this tranquil refuge of nature and wildlife, he sees these trees as a possible way to
reduce our dependency on foreign oil.

“The fact that we have such wonderful resources, our forest, and that we are
looking for new markets, gives us a lot of hope to be able to use our trees to make
energy products, whether its electricity or gasification processes or any matter of
liquid fuels.”

Cutting down trees and turning them into fuels might not seem like the greenest thing to
do.

But people like Jill Stuckey, insist it is.

Stuckey heads Georgia’s Innovative Center for Energy, and says there’s no better source
for clean fuel here, than the state’s 24-million acres of forest land.

“We grow pine trees like Iowa grows corn. And it’s a renewable source of energy.”

Stuckey says trees grow faster and are more accessible in Georgia than any place else in
the country.

“It’s a good thing. Because trees sequester carbon. And we harvest these trees and
plant new trees, so we’re continuously replenishing our supply.”

She says an acre of pine trees can yield about seven tons of biomass per year.

Biomass is basically any living thing that grows and then can be harvested.
And that stuff can be used to make ethanol, electricity, and bio-diesel.

(sound of a factory)

At a small factory down in Albany Georgia, that’s what John Tharpe is making here.

Tharpe is semi- retired electrical engineer, and has designed a machine that converts
pine-tree chips into bio-diesel. The fuel can be burned to power and heat homes and
businesses.

“We’re using biomass. We make an oil and a char and then we are also looking now
at making electrical energy. You can use it in any commercial burner, such as
steam, boilers, those types of things.”

He’s already begun selling his biodiesel technology to people around the world.

So, Tharpe is making for electricity and heat. Other companies are making plans to use
trees to run our cars.

Range Fuels is building the ‘first-of-its kind’ bio-fuels plant in Soperton Georgia – which
will convert wood chips into green transportation fuels, things like ethanol and methanol.

Ron Barmore is the company’s project development director.
He says their facility is designed to produce upward of 100-million gallons of fuel a year.

“Our belief is that we’ll be able to compete with fossil fuels, with oil prices in the 70-
80 dollar a barrel range. We think long term that’s a viable place to be.”

And long-term sustainability is what tree farmers and environmentalists like Chuck
Leavell are looking for, not just for green energy, but for other reasons as well.

“These trees, in the period we plant them and their growing, they’re cleaning our
air, our water, providing home and shelter for wildlife, that helps everyone.”

More than 100 companies are looking at ways to use Georgia’s trees, in some form or
another, to produce greener, cleaner energy.

For The Environment Report, I’m Susan Mittleman.

Related Links

Scientist Warns of Biofuel Invasives

Some scientists are sounding a warning bell about the rush to plant new biofuel crops. Charlie Schlenker reports they worry the new crops could damage the environment:

Transcript

Some scientists are sounding a warning bell about the rush to plant new biofuel crops. Charlie Schlenker reports they worry the new crops could damage the environment:


The scientists warn many potential Biofuel crops have similarities with plants that have become invasive and damaging to crops and the environment. Ecology Professor Roger Anderson is the co-author of a recent article in the journal Science. He notes plants targeted for biofuel crops such as Miscanthus and switchgrass grow fast:


“They have very high rates of photosynthesis, so they’re gonna yield a lot of biomass. A second feature is that many of these plants also have few enemies and pests and diseases.”


Anderson says no studies have determined whether these plants are likely to get out of hand as kudzu, johnsongrass, and giant reed have. Anderson says invasive alien plants cost U-S agriculture more than $123 billion a year. He worries political pressure to plant new biofuel crops may cause damaging shortcuts.


For the Environment Report, I’m Charlie Schlenker.

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