When we posted on innovative air conditioners, commenters weren't cool about the fact that we were showing them instead of fans, a deficiency which Christine has rectified. Certainly there are lots of alternatives that do not involve sealing yourself up inside "like dairy products chilled behind glass."
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.
