We Have the Technology. Airplanes Could Spray Particles into the Atmosphere to Battle Climate Change. But Should We?

If climate change models are correct, humanity is working itself--and dragging the rest of life on Earth with it--into a corner. Scientific pleas to control emissions and battle climate change are starting to have some effect, but not enough. So now we have some tough decisions looming. If you haven’t heard the terms “solar geoengineering” …