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The Tar Sands Disaster

If President Obama blocks the Keystone XL pipeline once and for all, he’ll do Canada a favor.

Ice, Please – Climate on the Rocks

Any day now, the expanse of sea ice in the Arctic will reach its lowest extent for the year. The round-the-clock summer days have gone, and the weather is turning sharply colder as the sun sinks below the horizon for longer periods each day.

Climate Change’s Costs Hit the Plate

In the mid-1980s, when I was a doctoral student at the Massachusetts Institute of Technology and beginning to study climate change, I attended a lecture by a specialist in plant physiology at nearby Harvard University. He spoke about global warming’s impact on crop productivity. He was quite optimistic. More carbon dioxide in the air, he explained, causes certain kinds of plants to grow faster. So, on balance, food output should rise in a warmer and CO2-rich world.

Climate Summit Was a Pathetic Exercise in Deceit

There’s really only one label for the pathetic exercise we’ve just witnessed in South Africa: deceit. The whole climate-change negotiation process and the larger political discourse surrounding this horrible problem is a drawn-out and elaborate exercise in lying—to each other, to ourselves, and especially to our children. And the lies are starting to corrupt our civilization from inside out.

Disaster at the Top of the World

Standing on the deck of this floating laboratory for Arctic science, which is part of Canada’s Coast Guard fleet and one of the world’s most powerful icebreakers, I can see vivid evidence of climate change.

Responding to the Skeptics

Skeptics often say Earth’s climate is showing a trend toward stable or even declining temperatures. But they have to cherry-pick data from the climate record to support this argument.

The Great Transformation: Climate Change as Cultural Change

A critical conversation about climate change is going on right now through the UNFCCC process; a key stage in this process will be the Copenhagen meeting at the end of this year. This conversation, to the extent that it is prescriptive, generally emphasizes technology and economics. It stresses strategies for dealing with the climate problem that involve technical aspects of, for instance, societies’ energy mix and energy efficiency. I don’t want to disparage these approaches or suggest that they shouldn’t be pursued. But, the fact remains that despite all our efforts we seem to be falling further and further behind.

Clean Coal? Go Underground, Alberta

Alberta appears to be in a box – an energy box – that constrains policy options in every direction. The province’s wealth is critically tied to exploitation of its vast hydrocarbon resources.

Blocking the Sky to Save the Earth

To the relief of climate scientists around the world, it appears that the polar ice cap hasn’t shrunk as much this summer as it did last summer.

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