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Blooming Algae Could Accelerate Arctic Warming

Blooming Algae Could Accelerate Arctic Warming

Scientists already know that receding sea ice allows solar energy to warm exposed water rather than reflect back into space, but blooms of algae could make matters even worse. By the end of the century, researchers say, the blooms could lead Arctic warming to increase by as much as 20 percent.… Read More

Extreme Heat and Heavy Rain Events Expected to Double

Extreme Heat and Heavy Rain Events Expected to Double

Extreme weather events such as droughts, heat waves and torrential rainfalls are the most powerful and obvious reminders that the climate is changing. These disasters were happening long before humans started pumping heat-trapping greenhouse gases into the atmosphere, but global warming has tipped the odds in their favor. A devastating heat wave … Read More

At $24 Trillion, Oceans are World’s 7th-Largest Economy

At $24 Trillion, Oceans are World’s 7th-Largest Economy

The monetary value of the world’s oceans has been estimated at $24 trillion in a new report that warns that overfishing, pollution and climate change are putting an unprecedented strain upon marine ecosystems. The report, commissioned by WWF, states the asset value of oceans is $24 trillion and values the annual “goods and services” it provides, … Read More

Look What’s Cooking in the World of Renewable Energy

Look What’s Cooking in the World of Renewable Energy

Inside a sprawling single-story office building in Bedford, Mass., in a secret room known as the Growth Hall, the future of solar power is cooking at more than 2,500 °F. Behind closed doors and downturned blinds, custom-built ovens with ambitious names like “Fearless” and “Intrepid” are helping to perfect a new technique of making silicon wafers, t… Read More

Carbon Pricing Helping Farmers Ease Methane Pollution

Carbon Pricing Helping Farmers Ease Methane Pollution

Biogas digesters are helping to protect the climate from methane, which is a far more potent greenhouse gas than carbon dioxide. As the world’s appetite for meat and dairy has grown, agriculture has become a bigger cause of global warming than deforestation, and that’s mostly because of the methane released by livestock farming.… Read More

New NASA Satellite Gets the Dirt on Soil Moisture

New NASA Satellite Gets the Dirt on Soil Moisture

Tracking soil moisture is a dirty job, but someone’s gotta do it. Soil moisture is a critical indicator of drought. For decades, ground observations have done the heavy lifting but they’re few and far between. That’s why NASA spent $1 billion to launch a soil moisture monitoring satellite earlier this year. After months of calibration, the… Read More

Scientists Turn to Drones For Closer Look at Sea Ice

Scientists Turn to Drones For Closer Look at Sea Ice

An oceanographer at Columbia University’s Lamont-Doherty Earth Observatory is calling on a 21st century technology to understand exactly how the floating ice that clogs the world’s northernmost seas every winter breaks up and melts.… Read More

Four Hopeful Clean Energy Trends for Earth Day

Four Hopeful Clean Energy Trends for Earth Day

Earth Day can serve as a reminder not only of the wonders of the natural world, but also of the perils it faces in a changing climate, especially as bad news about global warming seems to come on a daily basis. There are encouraging trends, though, that show progress against the primary cause of climate change — greenhouse gas emissions from human… Read More

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2013 Hurricane Season This season was the least active since 1982 and the sixth-quietest since 1950.

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