Living on Earth
The Obama Administration is attempting to catch up to European and Asian high-speed rail projects.
Some scientists say climate change may be the reason 2010 stands out for the number and intensity of extreme weather events.
Snowmass Village, Colorado, is home to one of the most significant archeological finds of ice age fossils in North America.
Negotiations over climate change have more urgency for Kiribati, an island that is literally sinking into the ocean.
Instead of boycotting irresponsible companies, Carrotmobs inspire masses of people to patronize responsible companies.
The natural gas industry looks to the future after Democratic losses in the 2010 election.
To preserve the earth from climate change, some think people should start growing food in vertical farms.
On the tiny Caribbean island of Aruba, the booming tourism industry turns an eye to its environmental impact.
Soccer is not just the world's most popular sport. It's also a solution to the lack of home lighting in developing countries.
Opponents of California's bill to reduce greenhouse gas emissions have put a proposition on the ballot that would suspend implementation of the climate law.