Alternative Energy Technology

The fate of the Alberta's tar sands mines—and the climate—may come down to the Keystone XL pipeline

The growth of wind, solar and hydropower offers hope for restraining climate change

Sea-level rise and flooding have already been linked to global warming, will other natural disasters follow?

The health and climate gains made by clean energy are often lowest in the windiest and sunniest places

President Obama is expected to appeal to Americans about the perils of rising temperatures and the economic benefits of dealing with climate change

Ethanol's strain on agricultural resources has soured many advocates' former enthusiasm. Advances in algae-based biofuel technology may restore some of their optimism

Researchers engineer materials to avoid using expensive platinum in fuel cells

U.S. businesses that cut CO2 by 3 percent per year through the end of the decade could reap as much as $190 billion

Meet Maria Vittoria Dozzi, one of the promising young chemists attending the 2013 Lindau Nobel Laureate Meeting

South and Central America could generate 100 percent of their electricity with renewable resources, a new study finds

The world is not on track to reduce, or even restrain global warming. David Biello reports

The fastest-growing country in Asia is putting in place policies for lower carbon growth