By studying chimpanzee droppings in remote African jungles, scientists have found direct evidence of a missing link between a chimpanzee virus and the one that causes human AIDS, they reported.

Socially conscious investors long ago hopped on the climate-change bandwagon, putting their money into companies that control greenhouse gases and shunning those that do not. But now, the pure

In this famously fractious country, there is one thing on which almost all Greeks agree: They do not want genetically modified crops grown, sold or eaten. In 2004, the Parliament passed a national

American International Group and J.P. Morgan Chase have taken advantage of worsening air pollution in Hong Kong to start what they say will be the territory's first "green" pension fund. "Awareness

Welcome to the world's freest economy. Well that's what the folks at the Heritage Foundation and the Wall street Journal call Hong Kong. For 12 years in a row, this city of 6.9 million people has

Kenya, along with Uganda and Zimbabwe, is a rarity in Africa, a nation where experts say the AIDS epidemic shows signs of easing. So this land of safaris has become a hunting ground of a different

Random House, the publishing company owned by Bertelsmann, the German media conglomerate, has announced plans to increase the proportion of recycled paper it buys for its books to at least 30 percent

The annual appropriations bill for the Interior Department and the Environmental Protection Agency will hit the House of Representatives later this week. This bill always inspires passionate debate

Among East Asian immigrants in New York City, one person in seven carries the hepatitis B virus, a new study has found. The condition puts them at far greater risk than other Americans for deadly

The UN World Food Program said that it was resuming limited aid operations in North Korea, ready to provide food for children and women after a six-month dispute between international aid workers who