Currents

Sure nightclubs are frivolous halls of drinking and dancing—but across the country they’e starting to take control of their energy and waste.

Environmentalist Bill McKibben has a new cause: getting everyone clued in about the number 350, the parts per million of carbon emissions that we need to return to in order to sustain life on earth.

Environmentalists are incensed at a new Interior Department plan to allow mountain bikes on trails in U.S. national parks.

Environmentally conscious consumers can now relax about eating sushi. As long as they consult one of three new guides from leading ocean conservation groups, that is.

Last week cable news magnate and United Nations Foundation founder Ted Turner announced the launch of the Global Sustainable Tourism Criteria (GSTC).

The International Union for Conservation of Nature (IUCN) released a dire report last week concluding that about a quarter of the world’s mammal species are heading for extinction.

The Environmental Protection Agency (EPA) will issue new lead emissions regulations by October 15. But will they sufficiently monitor those cities and poor areas where the most at-risk children live?

British researchers are suggesting that those of us in the world’s developed nations limit our weekly intake of meat to only four modest portions—and milk to just one liter—if we are to avoid "runaway" climate change.