Climate change poses major problems for some of the world’s established wineries, but grape growers see a future in Canada, Britain, and other cooler regions.

President Bush’s AIDS program in Africa is up for renewal. A number of health experts applaud some of its results but want to end the focus on abstinence.

Looking to broaden its reach and control its message, the U.S. federal government is increasingly turning to the blogosphere.

The EU’s moratorium on genetically modified foods has ended, but country-specific clashes and possible WTO sanctions still loom.

U.S.-India relations may suffer a serious setback if the stumbling nuclear deal collapses.

Cholera in Iraq continues to spread, and experts can’t seem to get a handle on the unsanitary water responsible for making so many people sick. 

The response to virulent animal diseases is improving, but major outbreaks continue, costing the animal industry millions and increasing fears of a global pandemic.

Treatment and prevention programs show progress against the spread of HIV/AIDS, but cultural and political issues, particularly in Africa, continue to defy science.

The recent spate of contamination in the U.S. food supply, much of it traced to Chinese ingredients, has raised questions about safeguards on food imports. 

An Atlanta lawyer’s drug resistant tuberculosis infection highlights the growing prevalence of the disease.

Several high-profile cases show bloggers’ new political influence, but repressive regimes are fighting back.

U.S. patent law is widely considered obsolete, but the stakes involved in reform could complicate efforts to overhaul the system.

As avian flu continues its global—and westward—spread, experts say the world remains unprepared for a possible pandemic.

With the Democrats in control of Congress, another White House policy is up for reexamination: the Bush administration’s pro-abstinence approach to the global AIDS pandemic.

Recent discoveries related to avian flu could help control a possible future pandemic, but even as the global community and individual countries develop plans to combat the virus, experts say more work needs to be done.

While avian flu makes headlines, overlooked diseases like polio and tuberculosis are making a comeback. Hurdles ranging from misinformation to lack of funding are preventing their control.

Two missile-driven crises on opposite ends of the planet point up several realities about anti-missile technology: first, that nothing in current arsenals can counter them, and second, that the small, cheap artillery rockets fired by Hezbollah pose a far more difficult challenge today than complex ICBMs.

Half a million women die each year during pregnancy or childbirth. Reducing the maternal mortality rate is one of the UN's Millennium Development goals, but experts say not enough is being done to safeguard the lives of mothers.

Warren Buffett's pledge to give more than 30 billion dollars to the Gates Foundation has enormous implications for promoting global health. This year's portion of the donation alone is roughly equal to the amount UNICEF spends annually.

Pope Benedict XVI has requested a report on the use of condoms in cases involving HIV. The issue divides church traditionalists and pragmatists, and could signify the first major crossroads of Benedict's papacy.