We'd be up a creek without Earth's atmosphere and the greenhouse effect it provides, but it turns out that an overactive greenhouse effect can result in a similarly devastating outcome.
Recycling proponents tell us that everything that can be recycled should be. Some items, however, can use more energy to recycle than it would cost to make new ones. Are we better off throwing some things away? See more »
There's almost always a "yuck factor" involved when you're talking about reclaimed water. But how does that factor change when we add food into the equation? See more »
You've booked a safari with the environment in mind. There's just one problem: Trans-Atlantic flights aren't very green. Can green tags make your gas-guzzling trip carbon neutral? See more »
As two of the most important elements to the sustenance of life on Earth, the sun and water are forever intertwined. Just to name one example, the sun's energy can be used to make water palatable to those who wouldn't be able to drink it otherwise. See more »