Luxury car maker Audi has announced that it is making synthetic diesel fuel from just water and carbon dioxide. Audi’s pilot plant, which is operated…

The one common element in recent weather has been oddness. The West Coast has been warm and parched; the East Coast has been cold and…

For decades, the earth’s oceans have soaked up more than nine-tenths of the atmosphere’s excess heat trapped by greenhouse gas emissions. By stowing that extra energy in…

With bold language and take-charge rhetoric, the White House on Tuesday unveiled its plan to cut U.S. carbon emissions by roughly one third over the next decade,…