PELLSTON, Mich. (AP) -- Chain saws scream in a northern Michigan forest, but it's not the familiar sound of lumberjacks. This time the tree killers are environmental researchers. They hope that years ...

Advocates say there’s a growing ethical obligation for researchers to explore alternative solutions to climate change. Manipulating the Earth’s natural systems to counter global warming has long been ...

Geoengineering experiments like cloud brightening and sulfur dioxide injection are being explored to cool the planet. These technologies raise concerns about unintended consequences and could ...

Trees depend on fungi for their well-being. As climate change and global warming cause higher temperatures and amplified drought, little is known about how these important fungi will respond. To ...

Since 2007, Bill Gates has funded research initiatives that, in part, provide grants for experiments related to solar radiation management — a form of geoengineering controversially proposed as a last ...

Since 2007, Bill Gates has funded research initiatives that, in part, provide grants for experiments related to solar radiation management — a form of geoengineering controversially proposed as a last ...

Last year was the hottest year in the global instrumental temperature record. Since 1960, the atmospheric concentration of carbon dioxide has risen from 315 to 425 parts per million, largely as a ...

I am a retired plant scientist. Over the years I have commented on the essential role that CO2 plays in photosynthesis, the basis of virtually all life on Earth. In the last two years I have ...

There's nothing quite like going for a walk on a bright, spring day. But basking in the sunshine could soon be a thing of the past. That's because it has emerged that experts are planning on dimming ...

A single degree might seem insignificant, but it’s the difference between stability and chaos.Since the 1970s, water in the Gulf of Mexico has increased by about one degree Celsius. While this may ...