We have shown quite a few wild and crazy geoengineering ideas before, but it appears that they go way back. Fifty years Arthur Radebaugh proposed it for heating, not cooling:
In time, huge solar mirrors five or more miles in diameter may be used to reflect radiation of the sun to specific areas on earth to increase evaporation and to prevent crop-killing frosts.::Paleofuture
Get up close and personal with the natural world with these amazing photos.
Use this list to clean without spreading toxic chemicals around your home.
Don't miss the beer-can shingles on this DIY beauty that was built in a day
Photographer Daniel Beltrá's shocking visual journal of the disaster.
Modular design is a new wave in tech, making gadgets greener along the way.
From hermit crab shells to moon bases, 3D printing may remake the world.
Toast your grad's entry into the big wide world with durable, useful gifts.
