How an African lake transforms unlucky wildlife into petrified statues
George Amato’s conservation mission
Environmental activist Asher Jay creates art out of trash
A partnership between academics and designers in New York City has produced a stove that could reduce child deaths in Africa
Oxfam America knew and warned of a famine before it happened in the Horn of Africa — what went wrong?
Researchers make progress toward finding a new cure for nagana-infected livestock