See how six countries are faring amid efforts to protect 30 percent of the planet’s land and waters by 2030, and what will be saved if they succeed. 

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…

U.S. administrations have backed sweeping efforts for societal change in the Middle East in recent decades, with poor results. But Washington can still achieve more modest, essential goals in the reg…

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.