Affordable Clean Energy Rule Threatens Progress of Clean Air Act

Last year, the U.S. EPA finalized the Affordable Clean Energy (ACE) rule, a dramatic relaxing in air pollution standards. ACE effectively rolls back the Obama administration’s Clean Power Plan (CPP), policy that aimed to reduce carbon emissions from U.S. electrical power generation—in particular, from coal-burning power plants—through the first national standards. ACE instead […]

A volcanic surge helped sauropods rule over Jurassic herbivores

Long-necked sauropods, the largest animals ever to walk on Earth, may have thundered into dominance during the Jurassic Period thanks to a large burst of volcanic activity that began around 184 million years ago, a new study suggests. The resulting environmental crisis may have caused a shift in plant life that gave the tough-toothed, big-gutted […]