Efforts to protect biodiversity are now focusing less on preserving pristine areas and more on finding room for wildlife on the margins of human development. As urban areas keep expanding, it is increasingly the only way to allow species to survive.

Areas starved of oxygen in open ocean and by coasts have soared in recent decades, risking dire consequences for marine life and humanity

Two years after a joint pledge with the United States to ban the domestic trade in ivory, all of China's government-licensed carving factories and ivory retailers are about to close.