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The Green Grok Blogs on Waste

GM Declares Bankruptcy

GM Declares Bankruptcy

by Bill Chameides
Jun 01, 2009
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The end of an era, to be sure. But how did this happen? The result of meddling by “pointy-headed busybodies” or the inevitable march of time?

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Cash-for-Clunkers Agreement:  Still Not Ready for Prime Time

Cash-for-Clunkers Agreement: Still Not Ready for Prime Time

by Bill Chameides
May 08, 2009
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Congress has been kicking around the idea of paying people to scrap their old cars and buy new, more fuel-efficient ones. On May 5, Democratic lawmakers and President Obama reportedly agreed on a one-year cash-for-clunkers proposal. Unfortunately, as far as the planet is concerned, the proposal ... well, kind of clunks.

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Sympathy for the Oil Industry?

Sympathy for the Oil Industry?

by Bill Chameides
May 06, 2009
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The poor oil industry. After years of record profits, things have soured with the collapse of oil and gas prices. And now I read of an Obama “bias” against the industry. Heavens!

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Statistically Speaking: Toxic Releases: How Much Do We Really Know?

Statistically Speaking: Toxic Releases: How Much Do We Really Know?

by Bill Chameides
Mar 26, 2009
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Last week the U.S. EPA issued the Toxic Release Inventory for 2007 – a compilation of the toxic chemicals and compounds that industries released to our land, water, and air during 2007. Great. But does the TRI tell the whole toxic release story?

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Exxon Valdez 20 Years Later

Exxon Valdez 20 Years Later

by Bill Chameides
Mar 18, 2009
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Prince William Sound, 2009. Pictures of picturesque beaches and icy-blue waters might suggest that the effects of the 1989 oil spill are long gone. Dig a little deeper, and a very different picture emerges.

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Finally Standards for Coal Ash … Just in Time?

by Bill Chameides
Mar 11, 2009
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On Monday, while the Environmental Protection Agency sought information from electric companies about their coal waste disposal practices, a new crisis was bubbling up around Maryland. It’s about time EPA acts on coal waste. But is it enough?

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Environmental Roundup

Environmental Roundup

by Bill Chameides
Mar 05, 2009
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From coastal wetlands and "green" tissue paper to getting the lead out, here are four environmental news items theGreenGrok thought you might want to know about.

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Obama On Tar Sands - Or Should I Say Oil Sands

Obama On Tar Sands - Or Should I Say Oil Sands

by Bill Chameides
Feb 20, 2009
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Yesterday President Obama and Canadian Prime Minister Harper talked about Canadian tar sands. They spoke of them euphemistically, calling them “oil sands.” Now, politicians choose words wisely – perhaps they employed the term to make tar-sand oil seem less egregious? PC talk fixes nothing.

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Does the United States Need Bolivia’s Lithium?

Does the United States Need Bolivia’s Lithium?

by Bill Chameides
Feb 19, 2009
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President Obama has some ambitious goals. One would put a million plug-in electric vehicles on the road by 2015. That’s going to require a lot of batteries and, given today’s technology, a lot of lithium. Where’s it going to come from?

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The Old Ice Age Myth Put to Rest

The Old Ice Age Myth Put to Rest

by Bill Chameides
Feb 10, 2009
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Global warming skeptics often point to an "imminent ice age” touted by the popular press in the 1970s to dissuade the public from believing today’s very real threat of global warming. The argument was always a red herring, and now a new paper resolves the scientific issues raised by the supposed warnings.

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DIY: 8 Tips for Greening Your Print Jobs

DIY: 8 Tips for Greening Your Print Jobs

by Bill Chameides
Feb 06, 2009
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Did you know there are supposedly "green" fonts that claim to reduce ink use? I'm not sure I'm ready to switch (as I'm partial to Comic Sans MS), but I thought the topic makes for a good jumping-off point. How can we rack up environmental (and cost) savings on computer printouts? Let us count the ways.

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Clean Coal’s Dirty Secret - When 'Clean' Isn't Clean

Clean Coal’s Dirty Secret - When 'Clean' Isn't Clean

by Bill Chameides
Feb 04, 2009
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Coal is the dirtiest fossil fuel. Burning it produces a myriad of noxious air pollutants. That's a problem. Clean coal technology supposedly scrubs those pollutants before they get into the atmosphere. Problem gone, right? Not quite. Guess where those pollutants end up.

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Memo to CNN.com: You Got It Wrong

by Bill Chameides
Feb 02, 2009
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It’s great when reporters call you for your opinion. It’s even better when they feature a quote from you in the story. And it’s better yet when it’s from an organization with the reach of CNN. However, it’s not great when they get what you said wrong.

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Tennessee Coal Ash Contaminated With Radioactivity and Arsenic

Tennessee Coal Ash Contaminated With Radioactivity and Arsenic

by Bill Chameides
Jan 29, 2009
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Remember that huge spill of coal ash at the Tennessee Valley Authority’s Kingston coal-fired power plant on December 22nd? New measurements by Duke University scientists confirm not only the presence of toxic metals like arsenic but also dangerous levels of radioactivity.

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Obama: The Environmental President?

Obama: The Environmental President?

by Bill Chameides
Jan 21, 2009
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It's official: there's a new U.S. president. Will Barack Obama be able to advance an environmental agenda? If so, he will have distinguished himself from Democratic administrations that promised a lot but delivered little on the environment.

See also comments on Huffington Post (36)

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Is Bubble Bursting for Climate in Near Term?

by Bill Chameides
Jan 15, 2009
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Could there already be an about-face? The president-elect's energy & environment picks held real promise for climate action. Now there's talk of the virtues of coal. If Obama is truly bullish on the issue, there are two steps he can take immediately.

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Globe Trotters: Trash Mars a Monument and a Rare Bird Visits Texas

Globe Trotters: Trash Mars a Monument and a Rare Bird Visits Texas

by Bill Chameides
Jan 13, 2009
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They say it’s a small world. Apparently if you are a bird or a bunch of trash that is the case.

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As the World Turned: Environmental News During the Holidays

As the World Turned: Environmental News During the Holidays

by Bill Chameides
Jan 05, 2009
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Welcome back. Here's a quick review of what happened while we were celebrating the holiday season with family and friends.

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The State of Green Tech Investing: One VC's View

The State of Green Tech Investing: One VC's View

by Benjamin Abram
Dec 12, 2008
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I'm a Duke grad, working for a venture capital firm that's focused on finding and funding the next generation of renewable fuels and clean technologies. Dr. Chameides, who is in Nepal this week, asked me to blog about the effect of the credit crisis on green tech investing.

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Statistically Speaking: Detroit Does It Better in Europe

Statistically Speaking: Detroit Does It Better in Europe

by Bill Chameides
Dec 05, 2008
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So the Big Three automakers are in trouble and want some of our money to stay afloat. Before handing over any cash, we might want to look at how Detroit does when it has to.

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about The Green Grok

We are on an unsustainable course. While world populations and consumption grow, resources diminish and global warming threatens our way of life. We must find a more sustainable path. But how?

In The Green Grok, Dr. Bill Chameides elucidates causes of and potential remedies for environmental change and identifies pathways towards a more sustainable future.

meet team Grok »

Grok video

A Cautionary Tale of Trees

City Parks: Great Places to Visit and Good for the Environment

DIY: Eight Tips for a More Sustainable Food Shopping Trip

more Grok videos »

Grok series

Cap and Trade Ongoing series »

Cash for Clunkers Ongoing series »

Coal Ash Ongoing series »

Electronic Waste Ongoing series »

Global Warming and Predictions
of an Impending Ice Age
In 4 parts »

The Smart Grid Part 1 » :: Part 2 »