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Can Saltwater Quench Our Growing Thirst?

Researchers are fine-tuning a centuries-old concept that might be the future of quenching the world’s thirst.

Defecting from the Power Grid? Unlikely, Analysts Say

Analysts are unsure whether cheap rooftop solar will inspire businesses and homes to "defect" from the power grid.

New Studies Reveal Climate Extremes From Fire to Ice

Two new studies show how drastically CO2 has affected Earth's climate in the distant past.

Three Ways The West Can Adapt To Drought

As temperatures rise, droughts will worsen across the American West. Here's how to adapt.

When Climate Science Clashes With Real-World Policy

Climate scientists and planners speak different languages, jeopardizing adaptation efforts.

New York’s Smart Grid Research May Shape U.S.

New York State is creating a smart grid research lab to help integrate renewables into the electric power grid.

Power Plant Rules Could Unite States On Climate Action

More than 80 percent of states are mulling collaborations to help them meet power plant climate rules.

U.S. Leads Global Oil and Gas Production for Third Year

For the third year, the U.S. produced more crude oil and natural gas than any other country in the world in 2014.

How Flood Insurance Could Drive Americans From Coasts

Should flood insurance subsidies be reformed to help communities abandon coastal settlements?

Can Climate Scientists Make A Difference by Not Flying?

It won't have a big climate impact, but climate scientists cutting back on air travel could have huge symbolic value.

Obama Announces Plan to Train 75,000 Solar Workers

The federal government plans to train 75,000 solar workers by 2020, and many will be veterans.

Hydropower Could be Risky Bet in Warming World

As investments in wind and solar climb, backing major hydropower projects may be risky in a warming world.

U.S. Submits Climate Plan as Paris Pact Taking Shape

The next international climate pact is taking shape, and the U.S. and EU are leading the way.

Investments in Renewables Herald ‘Paradigm Shift’

Global renewables investments increased 17 percent in 2014 as solar and wind costs fell dramatically.

Canada Pushes Ahead with Alternatives to Keystone XL

No matter the fate of Keystone XL, many other pipelines could transport Canadian tar sands oil to refineries.

Media Contributing to ‘Hope Gap’ on Climate Change

Research suggests media focuses on doom and gloom of climate change, rarely on possible fixes.

Scientists Have Mixed Opinions on Flat CO2 Emissions

Scientists have mixed opinions about whether stagnant global energy-related CO2 emissions are a trend.

‘Green’ Diesel Fuel Use Plummets in U.S.

U.S. biodiesel and "green" diesel imports declined in 2014 after setting records in 2013.

Index Shows Oil’s Climate Impacts Vary Widely

Not every kind of oil is the same in terms of greenhouse gas emissions, a new report says.

California, Quebec Teaming Up On Climate Change

California and Quebec's cap-and-trade programs have been linked, making climate action cheaper.

Gallery

2013 Arctic Sea Ice Loss This year's loss won't be quite as dramatic as last year's record, but it's still pretty significant.

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