Scientist Tracks Air Mysteries

The Great Lakes region is home to major power producers. But along with the electricity they make comes some amount of air pollution. When coal-fired power plants in Illinois and Ohio emit sulfur dioxides, prevailing winds blow them to the Northeast, where they can fall as acid rain. Several northeast states are suing those power plants to clean up their emissions. Earlier this summer, a professor at Clarkson University in northern New York coordinated a unique study to learn more about the life cycle of air pollution, from where it’s produced to where it lands. The Great Lakes Radio Consortium’s David Sommerstein has the story:

Transcript

The Great Lakes region is home to major power producers. But along with the electricity they make comes some amount of air pollution. When coal-fired power plants in Illinois and Ohio emit sulfur dioxides, prevailing winds blow them to the Northeast, where they can fall as acid rain. Several northeast states are suing those power plants to clean up their emissions.


Earlier this summer, a professor at Clarkson University in northern New York coordinated a unique study to learn more about the life cycle of air pollution, from where it’s produced to where it lands. The Great Lakes Radio Consortium’s David Sommerstein has the story.

Chemical engineering professor Phil Hopke will take any opportunity to get out of his office and over to his field lab. It consists of a concrete slab amongst the weeds in a corner of the local airport. Installed on the concrete are monitors he uses to find out exactly what’s in the air we breathe.


(sound of opening lock)


Hopke unlocks a gate in a chainlink fence. You can already hear a strange hum in the distance. It gets louder as Hopke strides up to one of three white machines the size of dishwashers.


“Come out and change the filters once a day. This one’s for organic constituents in the air.”


He pulls out what looks like an air filter for your furnace. These machines suck in air. They leave a unique footprint of chemicals on the filter that represents what was in the air in this place on this day — chemicals like sulfur dioxide and mercury. Hopke will send these filters to specialty labs around the world to be analyzed.


There are hundreds of stations like this in North America. Groups of researchers study daily air quality for every region of the country. They examine how things like traffic and smokestacks might affect the air we breathe.


But Hopke says they mostly focus on their own areas. They don’t often coordinate studies to see how the chemicals they find move from region to region.


“It struck me a couple of years ago, particularly in the Northeast, that we have these groups talking to one another.”


Working with the U.S. Environmental Protection Agency, Hopke convinced 26 sites in the East, from Texas to Toronto, to measure the same stuff on the same days. They chose the whole month of July.


It’s perhaps the largest simultaneous air sampling effort ever conducted in this country. When the data’s complete, the study will track the lifespan of pollution, from when it leaves a smokestack or a car’s tailpipe to when it is taken up by a tree or your lungs.


But scientists can’t just follow one molecule of pollution from a car in St. Louis to a lake in Michigan. They have to make models of how the chemicals move, like how meteorologists make weather maps to trace storm systems. As if that’s not complicated enough, says Hopke, naturally occurring chemicals make the job even tougher.


“You have to keep in mind that the Blue Ridge Mountains in Virginia are blue because of natural photochemical smog, particles being formed because of the pine materials that come off. Those materials that you smell are chemically reactive and will undergo the same type of smog reactions as human emitted materials.”


So researchers use techniques to separate out the “man-made” pollutants from the “natural” pollutants. Next they look for high concentrations of, say, sulfur dioxide in Chicago on July 15th. Then they follow those high levels east with prevailing winds. They look for high sulfur dioxide levels in Ohio or New York a few days later. After doing this many times in July for many types of chemicals, the researchers hope patterns will begin to emerge.


Hopke sits on a scientific advisory committee that helps the EPA develop pollution standards. He says this coordinated study will bring stronger science to the EPA’s sometimes controversial decisions.


“Suppose I require all power plants to reduce their sulfur dioxide emissions by twenty percent. What does that do for me for particle concentrations in New York City? What will that do? Will that get us where we want in terms of clean air?”


With a study this large in scope, the answers to those questions won’t come quickly. The massive amount of data gathered in the study will take a few years to interpret.


In the meantime, Hopke and the EPA are planning another cooperative sampling effort for wintertime, when temperatures and people’s habits are different from summer.


For the Great Lakes Radio Consortium, I’m David Sommerstein.

Attacks Change Nature of Enviro Debate

Before the terrorist attacks on the U.S., environmental groups were often critical of the Bush Administration’s policies. But since September 11th, most of the environmental organizations have erased all traces of criticism of the White House. Some politicians, though, see opportunities to push through energy policies in the name of national security – policies that could damage the environment. The Great Lakes Radio Consortium’s Lester Graham reports:

Transcript

Before the terrorist attacks on the U.S., environmental groups were often critical of the Bush Administration’s policies. But, since September 11th, most of the environmental organizations have erased all traces of criticism of the White House. Some politicians, though, see opportunities to push through energy policies in the name of national security, policies that could damage the environment. The Great Lakes Radio Consortium’s Lester Graham reports.


If you’d visited the Sierra Club Internet web site before September eleventh, or that of the Natural Resources Defense Council, or any of a dozen or more major environmental groups’ sites, you likely would have seen sometimes harsh criticism of the Bush Administration’s energy policies, environmental policies, and a host of other complaints the groups had against the White House. Some environmental groups were also running TV ads attacking the Bush Administration’s policies. But, after the terrorist attacks, the ads were pulled and many of the environmental groups removed those criticisms from their web sites in the name of national unity.


Joe Davis is editor of a tip sheet compiled for environmental journalists. He’s watched as most environmental groups have stifled their criticism since the attacks.


“I think everybody’s waiting just to see, you know, what’s going to happen in the next few days and weeks. And, of course, environmental groups are, for the most part, as patriotic as everybody else and people do understand that national unity is important.”


Some journalists have questioned whether the environmental groups are backing down from their positions or merely lying low for a little while. The environmental groups aren’t saying much. But behind the scenes, there’s concern that environmental protection will get trampled in the name of national security.


Meanwhile, some politicians have seen opportunities in the wake of the tragedy. Immediately after the attacks, the Alaska congressional delegation began pushing harder for oil drilling in the Arctic National Wildlife Refuge. The members said such drilling would reduce America’s dependence on oil from the Middle East. They were admonished, though, for being opportunists in the wake of tragedy. The Alaska politicians quickly backed off and took the fight for drilling behind the scenes.


Outside of Washington, it’s a different story. Some state politicians have become even more vocal in their support of oil and gas exploration. Just before the terrorist attacks, Michigan’s Natural Resources Commission lifted a moratorium on drilling for oil and natural gas under the Great Lakes. The Michigan Legislature could still step in to block any such drilling. But some of the lawmakers say because of the terrorist attacks, Michigan should drill. Dale Shugars is a Republican State Senator who supports drilling under the lakes.

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“With the sustained war that we’re going to be going into, I think it’s very important from a national security point of view that the country be more independent for oil and gas.”


Environmentalists in Michigan are appalled that Senator Shugars and some of their colleagues are taking that tact. James Clift is the policy director for the Michigan Environmental Council. He says the reserves under the lakes are so miniscule they’ll have next to no effect on the nation’s energy security and using the terrorist attacks to justify drilling under the Great Lakes is wrong.


“We do not believe that the unfortunate incident of the terrorist attack has changed anything as far as energy policy in the United States. The same conditions that applied before apply afterwards. And, even more so, I believe, is the importance for energy conservation. The United States only has four percent of the world’s reserves of oil and gas. Using those reserves up faster isn’t going to make the United States any more secure.”


But Senator Shugars thinks it is naïve to believe using less fuel will be enough. He says now that we’re at war with terrorists, it’s important to drill for fuel for the military and needs at home.


“It’s a fact that we’re going to be having a war against terrorism for a long time and I think that if one is going to look at a national energy policy, it has to include increasing supply and definitely – definitely has to be environmentally sensitive.”


Senator Shugars and others using the terrorist attacks to justify the energy and environmental policies that they want might be walking a tight rope. History shows Americans tend to frown on opportunism during times of national crisis. Environmental journalist Joe Davis says if politicians and energy industry leaders do use that approach, it could backfire. Especially since environmental groups are being quiet for the sake of a united patriotic front.


“Any party who tries to make short-term advantage out of a national crisis like this, I think, is very quickly going to be perceived as being exactly what it is: opportunistic. I don’t think the environmentalists will lay low forever and I don’t think they’re alone in questioning these things.”


But for now, most of the environmentalists are not saying much – at least publicly – about their opposition to the government’s energy and environmental policies. At least not until the nation begins to get past the shock of the terrorist attacks on the U.S.


For the Great Lakes Radio Consortium, this is Lester Graham.

Commentary – Epa Misses an Opportunity

Last month (April) the U.S. Environmental Protection Agency decided
against regulating ash and sludge from coal-burning power plants as a
toxic hazardous waste. Instead, the EPA will develop voluntary coal-ash
disposal standards. Great Lakes Radio Consortium commentator Suzanne
Elston says the move is a major setback in the war against global
warming:

States Cooperate to Reduce Air Pollution

  • States around Lake Michigan are working with Missouri to reduce emissions from coal-burning power plants such as this one near St. Louis.

States surrounding Lake Michigan are working together to reduce
air pollution. Instead of filing lawsuits against each other, the
states
agreed how to fix the problem. The federal government is keeping an
eye
on the agreement. The Great Lakes Radio Consortium’s Lester Graham
reports:

Related Links

STATES COOPERATE TO REDUCE AIR POLLUTION (Shorter Version)

  • States around Lake Michigan are working with Missouri to reduce emissions from coal-burning power plants such as this one near St. Louis.

States surrounding Lake Michigan are working together to reduce
air pollution. Instead of filing lawsuits against each other, the
states
agreed how to fix the problem. The federal government is keeping an
eye
on the agreement. The Great Lakes Radio Consortium’s Lester Graham
reports:

Related Links

Scientists Push for Tougher Arsenic Standards

Groundwater in some Great Lakes states has been found to meet or exceed
acceptable levels of naturally occurring arsenic. Growing concern about
the health effects of arsenic consumption recently prompted the U-S
Academy of Sciences to recommend that the federal government create more
stringent standards for human consumption of arsenic. The Great Lakes
Radio Consortium’s Marisa Helms has the story:

Cleaning Up the Dirty Diesels

The rule in driving these days seems to be that bigger is better, with
light trucks and sport utility vehicles overtaking the road. But as
automakers bask in their high profits from the pricey vehicles, a new
challenge looms…how to make them more fuel efficient. The trucks guzzle
substantially more gas and emit more pollutants than passenger cars and
the government is putting pressure on automakers to clean them up. Now,
an unlikely candidate is emerging to solve the problem. The Great Lakes
Radio Consortium’s Julie Edelson Halpert reports:

Sediment Plume Carries Life to Lakes

  • The USEPA research ship Lake Guardian. (Photo courtesy USEPA Great Lakes Program Office)

For the second year in row, government scientists plan to be onboard a ship
chasing a natural phenomenon on Lake Michigan. The Great Lakes Radio
Consortium’s Lester Graham reports a sediment plume might be the key to all
life in the lake:

Related Links