Conventional refrigeration does an incredible job keeping food fresh. But that technology hasn’t helped desert dwellers without steady electricity. A more recent development in refrigeration—the Zeer ...

If you're hanging outside and don't want to rely on inefficient coolers to keep your drinks cold, you can make this surprisingly effective refrigerator out of a few flower pots. For this project ...

While air conditioning is out of reach for most, an age-old Jugaad, the clay pot fridge, offers a sustainable, affordable, and effective solution. Summer in India can be unbearably hot, especially in ...

Sure, building up a campfire in order to roast some eats in the wilderness could be fun for awhile, but for the reported "two billion people that use open fires as their primary cooking method," we're ...