The president uses his Earth Day message to call for climate action -- and throw a few jabs at Marco Rubio and Rick Scott.
Five years ago, the Deepwater Horizon explosion triggered the largest oil spill in U.S. history. Here's what you still need to know.
For now, at least.
Since 2008, the coal industry shed nearly 50,000 jobs, while natural gas and renewable energy added four times that number.
Presidential hopeful Marco Rubio was once a big supporter of clean energy, too.
The climate change language police just struck again in Wisconsin.
But state agencies are ignoring the evidence, and it could cost them.
Now that we've figured out what the Anthropocene is, no one can agree on when it started.
Just three states have readily accessible databases of violations by oil and gas companies.