

photo: Teacher Traveler via flickr
More than 80% of new farmland in the tropics cultivated over the last two decades of the 20th century was carved out of tropical forests, according to new research published in Proceedings of the National Academy of Sciences

photo: Wikipedia
Forget about the potential damage by invasive Asian carp, another invasive species, the quagga mussel is likely to destroy the Lake Michigan ecosystem long before the bottom-feeding fish do.
LiveScience.com - A voyage to the outer edges of Australia's Great Barrier Reef has
brought back pieces of an ancient, fossilized ancestor to the vast,
living ecosystem.