High amounts of lung-penetrating silica dust could cause permanent damage and even cancer.
Hansen has been the nation's most outspoken scientist on the need for climate action. Now he's leaving his day job to dedicate himself to activism.
Hundreds of families are poised to lose their temporary housing as New York City looks to wind down a hotel-placement program.
Scientists are making progress in developing a GMO lettuce that can grow in scorching heat. Um, yay?
A game funded by a public broadcaster has players build virtual oil pipelines, which virtual opponents can then blow up.
A corporate sponsorship seems counter to the blockade's politics, but it may be a means to ending the pipeline.
A major spill from an Exxon pipeline in Arkansas caused 22 homes to be evacuated. It came just two days after a spill from a train in Minnesota.
Babies born in Alaska, California, Hawaii, Oregon, and Washington soon after the Fukushima meltdown were more likely to be afflicted with congenital hypothyroidism.
Just 16 years after Toyota first started selling the Prius, Subaru has unveiled its own hybrid. Urban hipsters and Portlanders are excited.