Donald Trump plays a stroke as he officially opens his new Trump International Golf Links course in Aberdeenshire, Scotland, last July. Now, he is aggressively fighting Scottish plans to build 11 wind turbines off the coast overlooked by his golf course and other proposed projects.
Andy Buchanan/AFP/Getty Images
Jay Keasling (left), speaking with Rajit Sapar at the Joint BioEnergy Institute, is pioneering a technique to develop diesel fuel from yeast.
Courtesy of Lawrence Berkeley National Laboratory
Global Thermostat's pilot plant in Menlo Park, Calif., pulls carbon dioxide from the surrounding air. The next challenge is to find uses for the captured gas.
Courtesy of Global Thermostat
President Obama unveils his plan on climate change Tuesday at Georgetown University in Washington, D.C. The president laid out his plan to reduce carbon pollution and to prepare the country for the impacts of climate change.
Alex Wong/Getty Images
Jessica McConnell, 26, of Silver Spring, Md., tries to identify halibut, red snapper and salmon at a dinner hosted by Oceana and the National Aquarium in Washington, D.C.