The EPA recently finalized its mercury reduction plan for coal-burning power plants. Mercury is a neurotoxin that can damage developing children. Now 16 states are taking the EPA to court, saying the so-called “cap-and-trade” plan doesn’t go far enough. The GLRC’s Gregory Warner reports:
Transcript
The EPA recently finalized its mercury reduction plan for coal-burning power
plants. Mercury is a neurotoxin that can damage developing children. Now
16 states are taking the EPA to court saying
the so-called “cap-and-trade” plan doesn’t go far enough. The GLRC’s
Gregory Warner reports:
The coalition of states filed the suit in the U.S. Court of Appeals for the
DC Circuit, challenging the cap-and-trade rule.
Cap-and-trade allows operators of older power plants to swap pollution
credits with newer plants instead of minimizing their own emissions.
EPA regulators say their program will cut mercury pollution by 70 percent over the
next 12 years. The states say mercury is too dangerous for a go-slow
approach. Emily Green is with the Sierra Club:
“Just a little bit can cause major problems for children’s health in
particular, so right now we have the technology to reduce mercury from coal
plants by 90 percent, that’s what we should do.”
In contrast to the EPA rule, more than 20 states have adopted or are moving
to adopt more stringent rules to reduce mercury emissions.
This is an artist's concept of how the FutureGen coal-burning power plant would look. The FutureGen power plant would confine the carbon dioxide that it generates and store it deep underground. (Photo courtesy of the Department of Energy)
We’re hearing more and more these days about global warming and how human activity is believed to be changing the climate. A lot of the blame has gone to pollution from coal-burning plants that produce electricity. Now, the U-S wants to build a plant that would capture and store the pollution… if it can find the right site. The GLRC’s Julie Grant reports:
Transcript
We’re hearing more and more these days about global warming and how
human activity is believed to be changing the climate. A lot of the blame
has gone to pollution from coal-burning plants that produce electricity.
Now, the U.S wants to build a plant that would capture and store the
pollution…if it can find the right site. The GLRC’s Julie Grant reports:
The U.S Department of Energy is chipping in 750-million dollars to the
build what’s called the FutureGen coal-burning power plant, and a
consortium of power companies is contributing an additional 250-
million. That’s a billion dollars of investment.
It’s exciting to Craig Stevens. He’s a spokesman with the Department of
Energy.
“FutureGen could revolutionize the way we use coal in this country and
around the world.”
We get most of our electricity from power plants that burn coal and belch
out greenhouse gases, such as carbon dioxide. But Stevens says
FutureGen would be a cleaner coal-plant…
“And that’s important because today, we in the U.S have a 250 year
supply of coal reserves. It is our most abundant fossil fuel. These
electric plants actually burn coal to produce electricity for millions of
Americans. One of the things we want to do is to use this coal in an
environmentally sensitive manner.”
The hope is that FutureGen will capture the carbon dioxide it generates
to store it deep underground. Scientists plan to purify and liquefy the
CO2, so it’s a water-like substance. Then they want to inject it into the
earth. They plan to dig wells 9000 feet deep for CO2 storage. They also
want to use the space left behind from old coal mines, oil and gas wells.
Geologist Neeraj Gupta is with Battelle Memorial Institute in Columbus.
He’s been researching what’s known as carbon sequestration since
1996…
“And that time this was just the beginning of an idea that you can take
carbon dioxide emissions from large industrial sources, you know, such
as power plants, and you can purify that, to make like a pure CO2s
stream. And, just like you produce oil and gas from the deep geologic
formations, you can take that CO2 and inject it back into the ground into
those same or similar deep geologic formations.”
Gupta says in the same way fossil fuels are trapped deep in the earth,
carbon dioxide could be trapped underground for millions of years, but
there are a lot of uncertainties.
Dr. Rattan Lal is director of the Carbon Management and Sequestration
Center at Ohio State University.
“Uncertainties are… is there going to be leakage? Either at the place
where it’s being injected or several miles away where there might be a
geological fracture in the rock strata.”
Lal says areas that have the right kind of rock layers and are not prone to
earthquakes, would be the best places to experiment with a project like
FutureGen.
Mark Shanahan is director of Ohio’s Air Quality Development
Authority. He thinks his state might be the perfect place because it has
the right kind of geology. At the deepest levels, the rocks aren’t entirely
solid. They’re porous, like a sponge, but with microscopic holes.
Scientists expect those tiny holes to absorb the CO2…
“The second thing is that that porous geology has to be beneath another
formation that is not porous, so the non-porous formation serves as a cap
on top of your CO2. So, once you put it into the porous formation, it
can’t go up.”
So the CO2 is trapped underground… hopefully permanently. Other
states, besides Ohio, think they also have good places for the plant.
The Department of Energy is currently reviewing proposals and plans to
pick a site by late next year. The agency wants to have FutureGen up
and running by 2012.
Ten states are suing the U.S EPA over emission standards for power plants. Part of the lawsuit is aimed at air pollution that might lead to global warming. The GLRC’s Chuck Quirmbach reports:
Transcript
Ten states are suing the U.S EPA over emission standards for power
plants. Part of the lawsuit is aimed at air pollution that might lead to
global warming. The GLRC’s Chuck Quirmbach reports:
The Clean Air Act tells the EPA to revise emission standards for new
pollutants every eight years. The federal agency put out updated
regulations earlier this year, but some states argue the EPA failed to
regulate carbon dioxide emissions from power plants.
CO2 is believed to contribute to global warming. Wisconsin Attorney
General Peg Lautenschlager says there’s a scientific consensus that
increasing global temperatures will cause many problems with storms,
pollution and agriculture.
“So from that standpoint we think that the CO2 emissions issue particularly is
one where we need to get up to speed in the United States.”
The EPA defends its climate protection programs and says it’s following
President Bush’s plan to reduce greenhouse gases.
Some of the large state asylums for the mentally ill built in the late 1800s were designed with the idea that natural beauty has a healing effect. And architects designed the buildings to be majestic… not just institutional looking. In the decades since the asylums closed, their stately grounds remain valuable. But many of the fine buildings either have been torn down or are facing demolition. Some are being partially renovated for new uses. The GLRC’s Bob Allen reports on one of the very few in the country that’s being fully restored:
Transcript
Some of the large state asylums for the mentally ill built in the late 1800s
were designed with the idea that natural beauty has a healing effect. And
architects designed the buildings to be majestic… not just institutional
looking. In the decades since the asylums closed, their stately grounds
remain valuable. But many of the fine buildings either have been torn
down or are facing demolition. Some are being partially renovated for
new uses. The GLRC’s Bob Allen reports on one of the very few in the
country that’s being fully restored:
Gently winding roads guide you through views of century-old trees and
rolling lawns that make up the surroundings of this old asylum. Open
meadows are remnants of the farm where residents raised all their own
food. The physical labor and park-like setting contributed to their
therapy.
Ray Minervini loves the surroundings… but he says the buildings
themselves added a healing dimension.
“If you stand on the front lawn of this building you don’t have to be a
student of architecture to appreciate that it’s a thing of beauty. I mean the
proportions of the building, the size of the windows, the pitch of the roof,
the height of the spires. It’s the way that we used to construct buildings. We
don’t do that anymore.”
The four story brick and stone structures soar above the trees. Developer
Ray Minervini says they were built to last 500 years or more.
He thinks they deserve to be preserved as much as the natural
environment does.
“The brick you’re looking at here were laid 121 years ago. The stone
foundations, you can see about 4 and a half feet of limestone, they
actually laid stone into the ground as opposed to concrete.
Those stone walls are 2 and a half feet thick.”
But across the country many of these large state mental hospitals have
fallen into ruin and are being demolished.
Kate Allen is graduate student in the architecture program at Columbia
University in New York City. She studies asylums designed according
to the plan of psychiatrist Thomas Kirkbride. He adapted principles of
care from the Quakers. They include plenty of light and fresh air in a
clean idyllic setting.
Allen has found records for 64 asylums built in the Kirkbride style.
Twenty of them have been torn down. Of those remaining she considers
a dozen under threat right now, and she thinks the Minervini Group in
Michigan offers the only existing model for renovating an entire site.
“Not only are they preserving the smaller structures and the Kirkbride
core, but through the historic easement, the landscape it can’t be
encroached on with development. It gives you that feeling that it was a
community once.”
But the Northern Michigan Asylum barely escaped destruction. After the
hospital closed it sat vacant for nearly a quarter century. Gaping holes in
the roof caused a lot of water damage. An outside developer wanted to
demolish and build new, but a hometown group stepped in and blocked
the wrecking ball. Then along came Ray Minervini with his vision for a
mix of new uses in the historic buildings.
Raymond Minervini is Ray’s son and business partner. He works on
marketing the project, and he says the people who believe in the vision
and are willing to invest in it are making it happen.
“And in a way they’re co-developers too because they’re stepping
forward with their capital to purchase space or lease space to establish a
business or create a home. That’s what makes the preservation possible.
Otherwise this is just a building waiting to fall down.”
The Minervini Group has been working on the redevelopment for nearly
six years. It’s a huge enterprise.
The core of the old state hospital and surrounding buildings represent a
million square feet for redevelopment, and Ray Minervini says that
translates into a 200 to 300 million dollar project… but it’s going
forward without a lot of fanfare.
“We’re doing it in phases, one section at a time, so it doesn’t appear so
big. We are under the radar screen, but collectively when you look at the
whole site and realize what that equates to it’s the largest rehab project
for sure in the Midwest.”
The Minervini Group has completed the first segment of what they call
The Village at Grand Traverse Commons. Already built and fully
occupied are business and condo spaces plus a restaurant and art gallery.
Ray Minervini says there’s still a long way to go, but with lights on and
people in the building there’s a growing sense the place is coming back
to life.
More and more state governments are saying the federal government’s guidelines for reducing mercury emissions from power plants don’t go far enough fast enough. The GLRC’s Rebecca Williams reports:
Transcript
More and more state governments are saying the federal government’s
guidelines for reducing mercury emissions from power plants don’t go far
enough fast enough. The GLRC’s Rebecca Williams reports:
Mercury is a neurotoxin that can cause brain damage in fetuses and small
children. More than 20 states are planning to cut mercury emissions beyond the
federal guidelines.
Zoe Lipman is with the National Wildlife Federation. She says many
states are taking action because they feel the federal rule is not protecting
public health.
“Originally you saw movement in the eastern states and now you’re
seeing movement in many of the heavy coal burning states – PA, MI,
even Indiana is still considering stronger than federal rules, IL – we’re
really seeing change in the core fossil fuel burning part of the country.”
Lipman says mercury reduction technology for power plants has become
cheaper in recent years, but utility companies say they’re still concerned
about the expense and meeting the states’ shorter time frames.
Asian carp are one of the invasive species featured in the exhibits in your local museums. (Photo courtesy of USFWS)
The zebra mussel is another invasive species that is hurting the Great Lakes' natural food chain. (Photo courtesy of USGS)
Big, public aquariums spend a lot of money to make fish look like they’re at home in the wild. But lately some aquariums are showing fish that are out of place. The GLRC’s Shawn Allee looks at one aquarium’s effort to give them the spotlight, too:
Transcript
Big, public aquariums spend a lot of money to make fish look like
they’re at home in the wild, but lately some aquariums are showing fish
that are out of place. The GLRC’s Shawn Allee looks at one aquarium’s
effort to give them the spotlight, too:
The federal government’s spending millions to keep Asian Carp out of
the Great Lakes. Biologists worry Asian Carp could devastate the lakes’
ecosystem. Recently, though, several carp were brought within sight of
the Great Lakes, and biologists are happy about it.
Chicago’s Shedd Aquarium is on the shore of Lake Michigan. It’s
holding an exhibit of Asian Carp and other alien invasive species.
Curator Kurt Hettinger captured the aquarium’s carp during a trip on an
Illinois river.
“They’re literally jumping, sometimes over the bow of the boat,
sometimes smacking into the side of the boat. I just looked behind me
and was amazed to see all these fish jumping in the wake of the boat, and
to this day, I’m still stunned by this.”
And Hettinger’s more than just stunned. He’s worried.
Asian Carp are an invasive species, basically … pests that crowd out
native fish, and that river where he caught them hooks up to Lake
Michigan.
Again, Asian carp haven’t made it to the Great Lakes, but more than one
hundred and sixty other invasive species have arrived and are breeding
quickly.
One example’s the zebra mussel. At first, scientists worried about how
much money it could cost us. Zebra mussels multiply so fast they can
block pipes that carry cooling water to power plants. But now, we know
the zebra mussel’s disrupting the lakes’ natural food chain.
In other words, invasive species are a huge economic and ecological
nuisance. That’s why the Shedd Aquarium started the exhibit.
“The public I think has seen enough stories about the damages and the
spread and the harmfulness, but those stories are not very often coupled
with solutions.”
That’s ecologist David Lodge. He says the exhibit tries to show how
people spread these species around. Lodge points to one exhibit tank. It
looks like a typical backyard water garden. It’s decked out with a small
fishpond, water lilies, even a little fountain shaped like an angel. It looks
pretty innocent, but Lodge says plants and fish you buy for your own
water garden could be invasive species.
“All those plants and animals that are put outside, then have an
opportunity to spread. Now, it doesn’t happen very often, but with the
number of water gardens, it happens enough so that they are a serious
threat to the spread of species.”
Birds or even a quick flood could move seeds or minnows from your
garden to a nearby lake or river.
The Shedd Aquarium’s not alone in spotlighting invasive species.
Several aquariums and science museums are also getting on board. For example one in
Florida shows how invasive species have infested the Everglades.
Shedd curator George Parsons went far and wide for inspiration.
“I was in Japan last year when we were planning this, and I just
happened to stumble across one of their aquariums and they had an
invasive species exhibit, except that they were talking about large mouth
bass and blue gill. You know, something that is our natives. So, it was
kind of ironic to see that out there. It was kind of neat.”
Like us, the Japanese take invasive species seriously. Back in 1999 the
humble Midwestern Blue Gill created a national uproar. Turns out, they
had taken over ponds throughout the Emperor’s palace, and how did the
bluegill get to Japan?
Probably as a gift from a former Chicago mayor. Apparently, the mayor
thought blue gill might make nice sport fishing in Japan. It was an
innocent mistake, but it’s just the kind of mishap biologists want all of us
to avoid from now on.
Air deposition is when air pollution settles out into lakes and streams and becomes water pollution. (Photo by Lester Graham)
We’re continuing our series, Ten Threats to the Great Lakes. Our guide through the series is Lester Graham. In this report he explains one of the threats that experts identified is air pollution that finds its way into the Great Lakes:
Transcript
We’re continuing our series ‘Ten Threats to the Great Lakes’. Our guide through the
series is Lester Graham. In this report he explains one of the threats is air pollution that
finds its way into the Great Lakes:
It’s called ‘Air Deposition.” Melissa Hulting is a scientist at U.S. Environmental
Protection Agency. We asked her just what that means:
“Air deposition simply is just when materials, in this case pollutants, are transferred from
the air to the water. So, pollutants in particles can fall into the water. Pollutants in rain
can fall into the water, or pollutants in a gas form can be absorbed into the water.”
So, it’s things like pesticides that evaporate from farm fields and end up in the rain over
the Great Lakes. PCBs in soil do the same. Dioxins from backyard burning end up in the
air, and then are carried to the lakes
One of the pollutants that causes a significant problem in the Great Lakes is mercury. It
gets in the water. Then it contaminates the fish. We eat the fish and mercury gets in us.
It can cause babies to be born with smaller heads. It can cause nervous system damage
and lower IQ in small children if women of childbearing age or children eat too much
fish.
One of the notable sources of mercury is from power plants that burn coal.
(Sound of coal car)
Railroad cars like this one empty their tons of coal at power plants all across the nation.
More than half of the electricity in the nation is produced at coal-burning power plants,
and with a 250-year supply, coal is going to be the primary fuel for a while.
One coal producing state is acknowledging that mercury is a problem. Doug Scott is the
Director of the Illinois Environmental Protection Agency. He says coal is important to
the energy mix, but we need to reduce pollutants such as mercury as much as possible.
“The policy of the state has been to try to work with the power plants to try to burn
Illinois coal as cleanly as you can. Now, that means a lot more equipment and a lot more
things that they have to do to be able to make that work, but we’re committed to trying to
do both those things.”
And, Scott says the federal government’s mercury reduction program does not go far
enough soon enough, but the electric utility industry disagrees.
Dan Riedinger is spokesman for the Edison Electric Institute, a power industry trade
organization. Riedinger says, really reducing mercury emissions at power plants just
won’t make that much difference.
“Power plants contribute relatively little to the deposition of mercury in any one area of
the country, including the Great Lakes, and no matter how much we reduce mercury
emissions from power plants in the Great Lakes Region, it’s really not going to have a
discernable impact in terms of improving the levels of mercury in the fish people want to eat.”
“Relatively little? Now, that flies in the face of everything I’ve read so far. Everything
I’ve read, indicates coal-fired power plants are a significant contributor to the mercury
issue in the Great Lakes and other places.”
“It’s really not quite that simple. Power plants are a significant source of mercury
emissions here in the United States, but most of the mercury that lands in the Great
Lakes, particularly in the western Great Lakes is going to come from sources outside of
the United States.”
Well, it’s not quite that simple either. The U.S. EPA’s Melissa Hulting agrees some of
the mercury in the Great Lakes comes from foreign sources, but recent studies show
some mercury settles out fairly close to the smokestacks. She says you can blame both
for the mercury in your fish.
“You blame the sources that are close by and you blame the sources that are far away.
The bottom line with mercury is that we’re all in this together and it’s going to take
everybody reducing their sources to take care of the problem.”
Taking care of the problem is going to take some money, and that will mean we’ll all pay in
higher utility bills. The Illinois EPA’s Doug Scott says it’ll be worth it if we can reduce
mercury exposure to people.
“We know what the issue is. It’s not a matter of us not understanding the connection
between mercury and what happens in fish, and then what happens in humans as a result
of that. We understand that. We know it, and we also know to a great degree what we
can do to try to correct the problem, and so, it’s a matter of just going out and doing it,
and so I’d like to think it’s something that can be done sooner rather than later.”
And since Great Lakes fish have elevated levels of mercury, sooner would be good.
It’ll take a while for the mercury already there to work its way out of the ecosystem and
return to more normal levels.
Fish advisories warn about possible mercury contamination, but many people aren't aware of the risks. (Photo by Lester Graham)
There’s no disputing that fish is healthful food, but too much of certain
kinds of fish can be dangerous, especially if you’re a woman planning to
have children. That’s because some fish contain elevated levels of
mercury. Mercury is a toxic contaminant that can cause neurological
damage. Julie Halpert filed this report about the harms mercury can
cause:
Transcript
We’re continuing our series ‘Ten Threats to the Great Lakes.’ One of the
threats identified by experts was air pollution that in turn pollutes the
lakes. The Great Lakes Radio Consortium’s Lester Graham is our guide
in this series. He says the next report looks at one pollutant that
eventually affects people.
There’s no disputing that fish is healthful food, but too much of certain
kinds of fish can be dangerous, especially if you’re a woman planning to
have children. That’s because some fish contain elevated levels of
mercury. Mercury is a toxic contaminant that can cause neurological
damage. Julie Halpert filed this report about the harms mercury can
cause:
Three years ago, when she was 18, Ayla Brown was healthy, but
suddenly, she started getting sick all the time. She was always tired, she
became anemic and had sore throats. Her tonsils had deteriorated so
much that they had to be removed. Her doctor couldn’t figure out why,
so he decided to test her for heavy metals poisoning.
The result? Ayla’s mercury levels were off the charts. They were five
times higher than the normal level. Her entire family was tested and
their levels also were above normal.
“The only conclusion we could come to is that in the past year or so since
we had moved to Ann Arbor, we had started eating a lot of fish and a lot
of fish that we now know is very known to be high in mercury, such as
swordfish and tuna and stuff like that.”
The Browns ate several meals of fish every week. Some of it was
ocean fish. Some of it was Great Lakes fish. After the diagnosis, they
cut fish out of their diet altogether. Within a year, the mercury levels
returned to normal.
“You are trying so hard to eat healthy and my family always was very
health conscious and so it’s so frustrating when you’ve done something
that you thought was good for you and realize that it was completely the
wrong thing.”
Fish are generally considered part of a healthy diet, but not all fish are
entirely safe. That’s because of mercury. Mercury exists naturally in the
environment at low levels, but higher amounts are getting into the food
chain.
Coal-burning power plants emit mercury, which eventually settles into
the Great Lakes. Then, aquatic microorganisms convert the substance
into methyl mercury, which is more toxic.
Those microorganisms form the base of the food chain. Small fish eat
microorganisms. Then, larger fish eat the smaller ones. As that happens,
the mercury concentrations escalate, making big large mouth fish like
trout, salmon and some walleye especially contaminated.
When people eat the fish, the mercury is passed on to them. Women of
childbearing age and their fetuses are most at risk.
Michael Carvan is with the University of Wisconsin-Milwaukee’s Great
Lakes Water Institute. He says the exposure isn’t just from the fish that
women eat while they’re pregnant. A woman can pass her entire lifetime
load of mercury to her baby. He says that 15% of all women of
childbearing age have high enough levels so that their fetuses will
contain mercury of one part per million or higher.
“Even at really low levels, around one part per million, you’re talking
about some subtle coordination difficulties, you’re talking about
problems with memory and problems with neuro-processing and IQ
deficits.”
Because of these concerns, the Environmental Protection Agency and
the Food and Drug Administration issued an advisory for women of
childbearing age and children, suggesting they eat fish and shellfish only
twice a week.
But one expert is concerned by all this talk about how mercury harms
people. John Dellinger was on a task force, which provided guidance on
fish consumption advisories. Dellinger studied people who lived on
Lake Superior who he thought would eat a lot of fish, but he found
something else.
“We basically discovered that from an epidemiologic point of view, these
populations have other things that are adversely affecting their health,
that in fact will probably overshadow anything we’re going to see from
the contaminants in their fish.”
Dellinger said the people were so concerned about contaminants in
fish, that they started relying on store-bought, processed food instead.
Those foods were higher in fat and sugar and contained other, less
healthful, ingredients. So, obesity and diabetes caused health problems,
not mercury poisoning, and Dellinger says that ended up being a worse
situation.
He says the key is to choose wisely, avoiding fish such as swordfish,
tuna steaks and the larger predator Great Lakes fish that are high in
mercury. That’s the only measure you can take right now, but that doesn’t
solve the problem. The real challenge will be to get rid of the mercury
that ends up contaminating the fish.
Several Midwest universities will be part of a controversial
effort to improve the recycling of nuclear waste. The Great Lakes
Radio Consortium’s Chuck Quirmbach reports:
Transcript
Several Midwest universities will be part of a controversial effort to
improve the recycling of nuclear waste. The Great Lakes Radio Consortium’s
Chuck Quirmbach reports:
Spent nuclear fuel is piling up at many commercial nuclear power plants around the nation.
Scientists know how to re-process and re-use the fuel. but that’s currently not done
in the U.S. nuclear industry.
Michael Corradini is an Engineering Physics Professor at the University of Wisconsin-Madison.
He says the re-use of nuclear waste can be improved… and he contends this is the moment to do
it.
“And with the need for energy… particularly electrical energy… this is a way to more efficiently
deal with our spent fuel.”
Wisconsin and other Big Ten universities with nuclear engineering programs will team up with
the University of Chicago for a recycling project at the Argonne National Lab in Illinois. But an
anti-nuclear group contends that trying to recycle more nuclear waste makes it more likely some
spent fuel will be made into bombs. The university scientists say safeguards will be taken to
prevent that from happening.
Coal fired power plants use chemical scrubbers in their
smokestacks to reduce pollution. Now researchers are working on
ways to re-use what’s scrubbed out of the stacks. The Great Lakes
Radio Consortium’s Fred Kight has more:
Transcript
Coal fired power plants use chemical scrubbers in their smokestacks to
reduce pollution. Now researchers are working on ways to re-use what’s
scrubbed out of the stacks. The Great Lakes Radio Consortium’s Fred Kight
has more:
Warren Dick is a soil scientist at Ohio State University. He’s been
studying synthetic gypsum, which comes from coal-fired power plants that
use scrubbers to reduce sulfur dioxide emissions. While nobody wants sulfur
in the air we breathe, Dick says it is often needed by farmers for some of
their crops.
“Sulfur is one of five or six major plant nutrients that are required for good
plant growth, and our soils are becoming deficient in sulfur. We’re not
getting it out of the atmosphere as much anymore.”
Dick’s research shows crops do better using synthetic gypsum as a sulfur
fertilizer. Coal is burned to generate more than half of the electricity in
the U.S., but it results in approximately 120 million tons of waste
each year, and Dick says the tonnage is likely to increase as
additional clean air measures are imposed.
