A global surge in avian flu outbreaks in birds and some mammals is worrying poultry farmers, scientists, and health experts. The trend is provoking questions about the future of the disease and globa…

The sprawling U.S. water system is central to the nation’s economy, but chronic underinvestment, increasing demand, and the consequences of climate change have revealed the system’s weaknesses.  

Venezuela’s ongoing descent into economic and political chaos is a cautionary tale of the dangerous influence that resource wealth can have on developing countries.

The Group of Seven (G7) serves as a forum to coordinate global policy, but experts are increasingly questioning the group’s relevance.