Rwanda has raised the price of a permit to see mountain gorillas to $750 per day starting June 1, 2012, up from $500.

Rwanda has raised the price of a permit to see mountain gorillas to $750 per day starting June 1, 2012, up from $500.

The spill, which affected 200 miles of the Longjiang River in southern China, was caused by two companies that accidentally released tons of cadmium.

At the core of New York City Pigeon Rescue Central are pigeon lovers, animal activists and eccentrics who dedicate themselves to the much-maligned birds’ welfare.

A coal-backed group pushes for the cancellation of a lecture by a Pennsylvania climate scientist.

A search for common ground among people deeply split over greenhouse-driven global warming.

The well of Spicewood Beach in central Texas is among 13 public water systems throughout the state that are projected to run out of water in 180 days or less.

The Sierra Club’s president, Michael Brune, has acknowledged in a blog post that beginning five years ago, the club accepted $26 million from people connected with Chesapeake Energy.

The Indonesian government plans to create a massive plantation firm next month when it will combine the assets of state-owned rubber and palm oil companies, reports Reuters.

Confiscated timber stocks in Madagascar must be managed in a “transparent manner” to deter future illegal logging and boosting demand for endangered rainforest timber, says a letter published by a coalition of NGOs.