Biologists are relocating species such as this juvenile Mojave Desert tortoise due to the planned construction of BrightSource Energy's solar plant in southern California. Sarah McBride for NPR hide caption

itoggle caption Sarah McBride for NPR

A coal-fired power plant in New Haven, W.Va, stores carbon dioxide underground and is the world's largest carbon capture facility. An energy bill that would support such projects is taking a beating from both the left and the right this election season. Saul Loeb/AFP/Getty Images hide caption

itoggle caption Saul Loeb/AFP/Getty Images

Insects like this mantis have been fossilized for 50 to 52 million years in a deposit of amber excavated in India. David Grimaldi/AMNH hide caption

itoggle caption David Grimaldi/AMNH