A new study finds that 95 percent of the world's population lives in areas with severe air pollution.

In the richest countries, health costs associated with the fuels is six times larger than the grants the industry receives, report shows.

As foundations and wealthy individuals funnel money into global development, what "solutions" are they pursuing?

"If these agreements open trade yet close the door to affordable medicines, we have to ask the question: Is this really progress at all?" said Margaret Chan, head of the World Health Organization, at a health care conference in Geneva on Thursday.

A United Nations health body says bacon, sausage and ham rank right up there with cigarettes, alcohol and asbestos as top carcinogens. But not all experts are convinced.

When the deadly international health crisis is over, the world will be morally indebted to a tiny island nation that has suffered economic attack from the U.S. for more than half a century.

Doctors Without Borders was on the scene in West Africa six months before the U.N. declared the outbreak a "threat to international peace and security."

Western inaction has worsened the crisis in part because there was no money to be made before the disease reached epidemic proportions.

Kenya is the next African nation to be put on alert by the World Health Organization, which has categorized the country as a "high-risk" site for a potential Ebola outbreak.