Bruce Gellerman

As the US prepares to leave Afghanistan, there is an ugly legacy of environmental costs of 30 years of war.

The beauty of Central Park lies in its carefully planned landscape and unique trees. One New Yorker and tree-lover has walked every inch of the park and mapped all 19,933 of its trees.

The Mayan Long Count Calendar is nearing the end of its 5125 year cycle. New age prophecies, based on the ancient calendar, warn the world will end when the cycle concludes in December 2012.

A quarter of a century after the world’s worst nuclear disaster, we revisit the place and the people lived and worked in the evacuation zone.

In Cancun international delegates try to save the world's forests. Meanwhile deep in the Yucatan jungle an ancient culture struggles to survive with their forest intact as the climate changes.

A master thatcher shows how to convert a 1950's suburban ranch into an Irish Cottage. Start with 15 acres of Turkish Water Reed.

An old, but very cool technology, will soon help prevent things going rotten in Copenhagen. Denmark's capital city is recycling the nation's first power plant into its first district cooling system.

Federal regulators, environmental groups, even manufacturers agree - the Toxic Substances Control Act, a 34 year old law governing industrial chemicals, urgently needs to be overhauled. And there's a bill in Congress to do just that.

Massachusetts Audubon Society's innovative program for the blind shows there's a lot more to birding than meets the eye.

40 years ago scientists developed a soybean seed able to grown in Brazil's vast tropical savannah. The crop has transformed the landscape and soon Brazil will be the world's largest producer of soybeans. Now a new generation of soy seed is being introduce