Why scientists have pumped a potent greenhouse gas into streams on public lands

Why scientists have pumped a potent greenhouse gas into streams on public lands

A massive ecological study that’s happening across the United States, and which is designed to track the impact of long-term changes like a warming climate, is deliberately releasing a highly potent and persistent greenhouse gas in national parks and forests.The gas, sulfur hexafluoride, is "the most potent greenhouse gas known to date," according to the Environmental Protection Agency. It's 22,800 times more effective at trapping heat than carb…

Why scientists have pumped a potent greenhouse gas into streams on public lands

A 30-year, nationwide study of ecological changes — including the effects of climate warming — has been releasing a powerful greenhouse gas, and critics want it to stop.

Why scientists have pumped a potent greenhouse gas into streams on public lands

A 30-year, nationwide study of ecological changes — including the effects of climate warming — has been releasing a powerful greenhouse gas, and critics want it to stop.