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From Grid Waste to Good Taste

From Grid Waste to Good Taste

The U.S. power grid is a vital part of the nation’s infrastructure. It’s also a wasteful one. Nearly two-thirds of every megawatt U.S. power plants produce never does a bit of useful work. Some of it is lost due to the natural resistance of power lines. Some is lost as heat during generation. And, perhaps surprisingly, some is lost by design when u… Read More

One of Sao Paulo’s Biggest Reservoirs Is Nearly Dry

One of Sao Paulo’s Biggest Reservoirs Is Nearly Dry

Drought is taking its toll on the water system that quenches the thirst of Brazil’s largest city, Sao Paolo, to such a degree that it is visible to orbiting satellites. Sao Paolo is facing water rationing as the worst drought to hit the region in decades reduces reservoirs to muddy waters surrounded by cracked earth. The Cantareira Reservoir … Read More

Fish Fail to Adapt to Rising CO2 Levels: Study

Fish Fail to Adapt to Rising CO2 Levels: Study

Rising carbon dioxide levels in oceans adversely change the behavior of fish through generations, raising the possibility that marine species may never fully adapt to their changed environment, research has found. The study, published in Nature Climate Change, found that elevated CO2 levels affected fish regardless of whether their parents had also… Read More

How We Can Save Coral Reefs and Why We Should

How We Can Save Coral Reefs and Why We Should

Coral reefs are among the most beautiful ecosystems on Earth — “a jeweled belt around the middle of the planet,” in oceanographer Sylvia Earle’s words. They also are extremely valuable. Reefs cover less than one-tenth of 1 percent of the ocean floor but support more than 800 species of coral and 4,000 species of fish. They are spawning grounds, coa… Read More

Obama Creates World’s Largest Ocean Reserve

Obama Creates World’s Largest Ocean Reserve

Barack Obama will use his presidential powers on Thursday to create the world’s largest marine reserve in the Pacific, banning fishing and other commercial activities across vast swaths of pristine sea populated by whales, dolphins and sea turtles and dotted with coral atolls. Thursday’s proclamation will expand the Pacific Remote Islands Marine Na… Read More

UN Data on Population Growth is Bad News for Climate

UN Data on Population Growth is Bad News for Climate

The demographers may have got it wrong. New projections say the population of the planet will not stabilize at 9 billion sometime this century. In fact, there is an 80 percent likelihood that, by 2100, it will reach at least 9.6 billion − and maybe rise as high as 12.3 billion. The latest data, published in the U.S. journal Science, has profound an… Read More

Report: Prevent Climate Effects by Fixing World Economy

Report: Prevent Climate Effects by Fixing World Economy

The world can still act in time to stave off the worst effects of climate change, and enjoy the fruits of continued economic growth as long as the global economy can be transformed within the next 15 years, a group of the world's leading economists and political leaders will argue on Tuesday. Tackling climate change can be a boon to prosperity, ra… Read More

Climate Change Threatens Half of North America’s Birds

Climate Change Threatens Half of North America’s Birds

Half of North America’s bird species, from common backyard visitors like the Baltimore oriole and the rufous hummingbird to wilderness dwellers like the common loon and bald eagle, are under threat from climate change and many could go extinct, an exhaustive new study has found. Seven years of research found climate change the biggest threat to Nor… Read More