While some hydropower facilities release almost no greenhouse gases, others can actually be worse than burning fossil fuels.
Hahn, who has no previous political experience, will be in charge of regulating e-cigarettes, drug pricing and more
The bedrock below Thwaites and other glaciers is conducive to runaway melting that would dramatically raise sea levels
Future batches of the satellite will have a special coating to reduce their reflectivity
Incremental improvements in battery technology are no substitute for the major leap that’s now needed
As the world scrambles to combat deforestation, experts warn our efforts could have far fewer benefits than we think
People in certain ZIP codes are more likely to purchase products that flop, buy homes that are poor investments, and pick political candidates who lose. Christopher Intagliata reports.
Failures to predict drought and other weather extremes put people in African and small island nations at particular risk
Archaeologists have dated the image to at least 43,900 years ago, but their interpretation has met with doubt
Analysis finds that the planet’s protective shield was in place by at least 3.7 billion years ago, as early life arose