Defense Environment Alert -- The Quadrennial Defense Review for the first time addresses climate change risks to the military, making commitments to back efforts "to assess, adapt to, and mitigate the impacts of climate change" and finds that changing weather patterns resulting in food and water scarcity will contribute to political instabilities and increased military conflict in certain parts of the world. The QDR cites climate-change impacts as one of several powerful trends that, in conjunction with other trends, is...