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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

The State of the Earth in 4 Climate Trends

The State of the Earth in 4 Climate Trends

What better day to step back and take stock of the planet than Earth Day? Started in 1970 to raise awareness in the U.S. about the environmental state of the planet, Earth Day is now celebrated in more than 190 countries and has led to the creation of legislation in the U.S. aimed at protecting the environment. But one global trend has continued… Read More

Expectations High For Climate-Changing Coolant Talks

Expectations High For Climate-Changing Coolant Talks

India is proposing that rich countries should phase down the manufacture and use of HFCs between 2016 and 2035, and that developing countries should be given 15 extra years to do so. Like other countries that have submitted proposals, India says developing nations could be compensated by richer countries for costs associated with HFC phase down. … Read More

Looking for Global Warming? Check the Ocean

Looking for Global Warming? Check the Ocean

We tend to focus on land surface temperatures, because, well, that’s where we live. And human greenhouse gas emissions have ensured their steady rise since the start of the Industrial Revolution, punctuated by 2014 setting the record for warmest year. But surface heat is just a fraction of the climate change equation. There's a whole other piece to… Read More

China Can Cut Cord on Coal (Mostly) by 2050

China Can Cut Cord on Coal (Mostly) by 2050

It may be possible for China to shake most of its reliance on fossil fuels, in part by producing more than 85 percent of its electricity from renewables by 2050, according to a new study. … Read More

Can Saltwater Quench Our Growing Thirst?

Can Saltwater Quench Our Growing Thirst?

It seems simple enough: Take the salt out of water so it’s drinkable. But it’s far more complex than it appears at first glance. It’s also increasingly crucial in a world where freshwater resources are progressively strained by population growth, development, droughts, climate change and more. That’s why researchers and companies from the U.S. to … Read More

2015 Hottest Year to Date, Could Top 2014 Record

2015 Hottest Year to Date, Could Top 2014 Record

By the reckoning of the three main agencies that track global temperature, 2015 has so far been the warmest year in more than a century. Coming immediately after the warmest year on record, the ranking serves as a reminder of how much the globe’s overall temperature has risen thanks to the ever-growing amounts of greenhouse gases in the atmosphere.… Read More

El Niño Is Hanging On: What that Means for Hurricanes

El Niño Is Hanging On: What that Means for Hurricanes

Over the next few months, the globe might see an uptick in tropical cyclone activity thanks to an El Niño that is showing signs of asserting itself more forcefully. That doesn’t mean more hurricanes everywhere, though: While El Niño tends to boost activity in the Pacific Ocean, it clamps down on storm formation in the tropical Atlantic. That link … Read More

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Arctic Sea Ice: Heat Shield Arctic sea ice acts like a heat shield, reflecting most of the sun’s energy.

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