Predicting the changes that could accompany rising global temperatures and what the future might hold.
The overuse of antibiotics in livestock may be making the drugs less effective against bacteria.
California has a strict climate emissions law and the state may soon require refiners to reduce carbon in fuels by ten percent by 2020.
Half a billion dollars in the stimulus bill is a down payment to begin the process to clean up the Great Lakes.
Getting solar and wind energy to where it's needed could spark a power struggle over power lines.
Lead batteries are becoming a deadly problem in developing countries where they are melted down and sold as scrap metal.
Villagers in Chinaâ€™s Yunnan Province are teaming up with a non-profit to create sustainable livelihoods and a community voice.
Internews program builds radio stations in Southern Sudan powered by solar and wind energy.
How witnessing the injustices of slavery drove Charles Darwin to develop his theory of evolution.
Rice genetically modified to produce Vitamin A could be the answer to some childhood health problems in the developing world.