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Climate change

November 13, 2013
Susan Stamper Brown: The climate is changing (it's fall!)
November 13, 2013 - 10:18pm
July 10, 2013
Eastern larch beetles crawl on a small piece of tamarack bark University of Minnesota researcher Fraser McKee has peeled off. The darker horizontal lines are cavities the beetles have dug to lay their eggs. The tree sends resin to the area to try to repel the beetles. But the beetles emit an aggregation pheromone to attract more beetles to the tree, which can overwhelm its defenses. Dan Kraker | MPR Photo
Climate change might enable beetles’ rise against pine trees
July 10, 2013 - 11:56pm
March 13, 2013
Susan Brown: Harnessing hot air
March 13, 2013 - 10:56pm
February 19, 2013
Amy Goodman: Addressing climate change
February 19, 2013 - 5:19pm
November 29, 2012
Amy Goodman: Our climate future and the Doha summit
November 29, 2012 - 9:27pm
November 18, 2012
Brett Cease: Investing in clean energy
November 18, 2012 - 12:47am
October 3, 2012
William A. Collins and Emily Schwartz Greco: Just don’t say climate change
October 3, 2012 - 1:45am