Degradation of lakes is a worldwide problem, with symptoms including toxic algae blooms. Restoration is possible, but takes a lot of time and effort.
The report recommends a set of actions that countries can take to improve water quality.
Since the first Homo sapiens emerged in Africa roughly 300 million years ago, grasslands have sustained humanity and thousands of other species.
The problem of access to safe drinking water in most parts of Bangladesh is a persistent challenge.
A handful of sites where the United States manufactured and tested some of the most lethal weapons known to humankind are now peaceful havens for wildlife.
Modern cars rely on catalytic converters to remove carbon monoxide, hydrocarbons and other harmful chemicals from exhaust emissions.
Texas A&M public health researchers found that older homes with lead pipes, in conjunction with the chemicals used during the water purification process, underlie the problem.
When it comes to groundwater quality, fracking receives much of the public attention but misses most of the picture.
Scant on-the-ground monitoring means researchers lack basic information.
A research team, led by the University of Rhode Island Graduate School of Oceanography, recently returning from a groundbreaking, 18-day expedition aboard the Swedish Icebreaker Oden has made a discovery related to plastics in the Arctic Ocean.
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