Biden aims for most ambitious US effort on climate change

President Joe Biden on Wednesday was undertaking the most ambitious effort ever to cut America's oil, gas and coal emissions and stave off the worst effects of climate change. New executive orders target federal subsidies ...

Lawsuit contends energy lease sales will affect environment

Environmental groups and three Montana landowners sued Tuesday to cancel hundreds of recent oil and gas lease sales, saying the U.S. government's leasing of public lands is skyrocketing without understanding how all that ...

Obama says US must shift cars, trucks off oil (Update 2)

President Barack Obama on Friday spoke of future cars that can go "coast to coast without using a drop of oil" and urged Congress to authorize spending $2 billion over the next decade to expand research into electric cars ...

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