How Wolves Change Rivers When wolves were reintroduced to Yellowstone National Park in the United States in 1995, after being absent nearly 70 years, the most remarkable ” trophic cascade ” occurred. Watch this video to learn more!

The Forest Man of Majuli Island A film by Will McMaster. Video from KarmaTube It has been said that the single most powerful thing one can do to combat climate change and promote peace is to plant a tree. Jadev Payeng has been doing just that since the 1970’s on the once-barren sandbar on the

See the Sizzle: Infrared Photos Reveal the Brutal Urban Heat-scape By Betsy Mason • wired.com WHEN SUMMER TEMPERATURES rise to uncomfortable levels, cities take a bigger beating than the rest of the landscape. This urban heat effect is especially brutal in big, dense, concrete-dominated cities like New York. Armed with a thermal imaging camera that detects infrared