More than 2 million people in and around Zimbabwe's capital city, Harare, are currently without access to municipal drinking water, the result of a years-long drought and high water pollution levels.
Northwest of Kanab, an undulating sea of red sand rises for several miles spanning the divide between Kanab Creek and the East Fork of the Virgin River.
Utah’s push to develop the $1.8 billion Lake Powell pipeline, held up for years by political wrangling, funding feuds, reams of red tape and massive amounts of paperwork, is now being threatened by a tiny creature: the quagga mussel.
Once the sandbags are gone and the physical damage is dealt with, flood victims have to come to grips with the emotional aftermath. Here's how the floods in New Brunswick over the past two springs are continuing to affect the lives of local residents.
The status of Canada's largest park as a world heritage site remains wobbly after a United Nations body expressed grave doubts about a federal plan to rescue it.
U.S. Sen. Martha McSally vowed Wednesday to take quick action on a plan to preserve a drought-stricken Colorado River, which serves about 40 million people in the U.S. West and Mexico.
In its final report, the three-member scientific panel tasked with the review expressed "concerns" about every part of its limited investigation, particularly around water, seismic hazards and gas migration.
As the country's second most popular park turns 100, Grand Canyon faces an unprecedented number of existential threats. Eight experts weigh in on the major changes it will undergo during the next century.
Too much nitrogen killed off corals in the Keys, and, as reefs suffer around the world, this new research offers lessons learned in Florida that could save other nutrient-loaded corals
As warming waters and acidification threaten corals around the world, scientists are gathering clues to save the charismatic colonies and bolster biodiversity
