Causes Duke Energy is leaking a potent climate-warming gas at more than five times the rate of other utilities The gas, sulfur hexafluoride, is one of the most potent and long-lasting climate pollutants—known collectively as “the immortals”—because they remain in the atmosphere for thousands of years.
Top Story Robinson Meyer: The EPA just quietly got stronger The new climate bill isn’t quite “all carrots, no sticks.”
