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Too much carbon dioxide can have a negative effect on some crops

In case you thought too much CO2 was an unalloyed good.

Philip Bump Climate & Energy November 30, 2012

Drawbacks of the digital city: ‘Carbon Zero,’ sidebar 3

If we want technology to be a force for good, here are a few things we should keep in mind before we weave it into every element of our carbon-zero cities.

Alex Steffen Cities December 4, 2012

Greenland’s ‘extraordinary’ summer ice melt may have been caused by tundra fires

Which themselves are a likely symptom of climate change.

Philip Bump Climate & Energy December 7, 2012

The human cost of coal, in photos

Steve Hawk and Ami Vitale traveled to the mountains of West Virginia, small-town Michigan, and a reservation in Nevada to match human faces and stories with the cost of coal.

Grist staff Climate & Energy October 21, 2012

Corn maze: There is no ‘simple fix’ for commodity farming

Recent evidence that growing a diversity of crops would solve many of Big Ag's problems is encouraging, but it will take a larger shift in the culture of commodity farming to see any real results.

Tom Laskawy Food and Agriculture October 26, 2012