"Maria Valdenice Nukini believes it's her duty to protect her ancestral territory in northern Brazil and raise awareness of the role indigenous communities play in protecting nature."

"The mine at Cerro de Pasco, Peru, once funneled silver to the Spanish crown. Today, it’s consuming the town—and poisoning children with lead."

"Grand Canyon National Park's water pipeline was among the Interior Department's most ambitious projects in the 1960s."

""The world has lost a third of its arable land due to erosion or pollution in the past 40 years, with potentially disastrous consequences as global demand for food soars, scientists have warned."

"Construction work on a controversial canal that would link the Pacific Ocean with the Caribbean via an overland route across Nicaragua and through Central America’s largest lake has been postponed until late 2016, says the company behind the project."

"Illegal levels of arsenic and mercury polluted the Rio Doce river in the days after a dam burst at an iron ore mine in early November in Brazil's worst-ever environmental disaster, according to tests by a state water agency."

"Workers at Brazilian iron ore miner Vale SA fear for their safety after the Samarco dam burst in the town of Mariana, where the company was reducing the number of employees because of weak ore prices, despite its push for output and complaints about safety."

"The Interior Department plans to cancel a long-suspended oil and gas drilling lease near Glacier National Park that's on land considered sacred to the Blackfoot tribes of the U.S. and Canada, according to court documents filed Monday."

"Grand Canyon utilities that provide drinking water and treat sewage are failing and need urgent repairs, according to an internal report and former employees."