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xkcd Graphic Brings Climate Change Home 
Randall Munroe’s xkcd web comic is highly regarded for his capacity to expose technical and social issues with humor and insight. In one of his recent offerings he created a long graphic illustrating the development of climate change. It is most illuminating. I’ll let the Smithsonian do the introductions: http://www.smithsonianmag.com/smart-news/new-comic-masterfully-shows-how-climate-has-changed-through-time-180960451/

Artificial Reservoirs Pump Out Greenhouse Gases 
Another cherished assumption, that man-made reservoirs are essentially environmentally benign, has been turned on its head. Looking more closely at the facts and figures, researchers have come to the conclusion that reservoirs release vast amounts of greenhouse gasses. The Smithsonian explains: http://www.smithsonianmag.com/smart-news/whoops-dams-and-reservoirs-release-tons-greenhouse-gases-180960645/

Wildlife Impacts of a Trump Wall 
While it seems that such a project is unlikely to ever actually develop, it is worth considering the impacts such a structure as Donald J. Trump’s proposed wall at the Mexican border would have on the wildlife in the region. That’s exactly what the BBC attempts to address in this article: http://www.bbc.com/news/science-environment-37200583