Managed properly, natural swimming pools have crystal clear water and require no chemicals to maintain, as they are self-cleaning mini-ecosystems. They are beautiful, refreshing and sustainable!

Check out our list of the 10 greenest presidents in U.S. history, from Jimmy Carter to Richard Nixon, Abraham Lincoln, Thomas Jefferson and other leaders who excelled in environmental protection and policy.

Biodynamic wine has come a long way in quality, price and accessibility. Here's why you should be drinking biodynamic wines, which share many features with organic wine.

Sure, fans and using windows smartly can help a lot, but also check out these tips for when you really get desperate.

Check out pics of some of the 14 new species discovered in the Serra Geral in Brazil's Cerrado region, which is a conservation hotspot.

Special entries from some of America's best loved newspaper cartoonists. The Safe Havens piece is brilliant, and some others are definitely good for chuckles. Stan Lee, sorry, but you lost me, you really did.

The National Toxicology Program, an arm of the federal National Institutes of Health, has amplified concern about Bisphenol A, the plastic ingredient that some independent scientists have long criticized. What does that mean?

"For too long, the only voices politicians and policy makers have heard on American policy toward Israel and the Middle East have been from the far right. It is high time that mainstream pro-Israel, pro-peace Americans fought back for real peace."