Biodiversity Conference Commits to Protect 30% of Natural World

A UN biodiversity conference called COP15 has ended with a deal involving 196 countries. Find out why environmentalists are hailing it as a landmark agreement, and what it will take to put its terms in place.

Healthy Environment a Human Right, UN Declares

A healthy environment is a human right and vital to the enjoyment of other rights, according to a new UN General Assembly resolution. Find out why this is both a cause for celebration and a call to action.