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Ultra high-definition TVs might use $1 billion worth of additional energy per year

But there are things you can do if you find a big 4K TV under the tree.



  • Gadgets & Electronics

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Why insuring a coral reef is a good idea

Almost 40 miles of coral reef and beach around Cancun and Puerto Morelos are now insured against storms.



  • Sustainable Business Practices

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5 things that probably aren't killing honeybees – and 1 thing that definitely is

Scientists scramble to understand the causes of colony collapse disorder.




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National wildlife refuge system imperiled by government shutdown

Refuge protectors weigh in on the shutdown's impact.




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It's time to start demanding justification for drilling in the Arctic refuge​​

Alaska professor discusses why the Arctic National Wildlife Refuge should not be opened for oil drilling.



  • Wilderness & Resources

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Say hello to the first female chief ranger in this national park's 85-year history

Lisa Hendy is the first woman to become chief ranger at Great Smoky Mountains National Park.



  • Wilderness & Resources

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What are the benefits of vitamin D?

Vitamin D is the only vitamin humans can acquire without food. Researchers are learning more about its vital benefits.



  • Fitness & Well-Being

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Help us pick our next 40 chefs under 40

We want your picks for our Readers' Choice: 40 chefs under 40




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New energy-efficient lighting technology contains no mercury

Researchers use nanofibers to create lights that are more energy-efficient than the common incandescent light bulb, more eco-friendly than a CFL — and they gi



  • Research & Innovations

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How to get rid of houseflies naturally

Try these simple tips and bid goodbye to houseflies, those uninvited pests buzzing around your home.




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The benefit of dirt roads

In Arkansas, attention to thousands of miles of unpaved roads has helped clean up streams, ease the threat to endangered species and benefited everyone.



  • Wilderness & Resources

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6 green ways to invest your income tax refund

Whether you filed your taxes early or are scrambling at the last minute, it's not a bad idea to start planning what to do with your tax refund.




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40 chefs under 40: Readers' choice (11-20)

You nominated your favorite green chefs, and here they are: Forty rising culinary stars, all working to make great sustenance more sustainable.




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40 chefs under 40: Readers' choice (31-40)

You nominated your favorite green chefs, and here they are: Forty rising culinary stars, all working to make great sustenance more sustainable.




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40 chefs under 40: Readers' choice (21-30)

You nominated your favorite green chefs, and here they are: Forty rising culinary stars, all working to make great sustenance more sustainable.




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40 chefs under 40: Readers' choice

You nominated your favorite green chefs, and here they are: Forty rising culinary stars, all working to make great sustenance more sustainable.




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Free online cookbook features Philadelphia chefs

The City of Brotherly Love hosts a restaurant week with a local twist and offers a free, downloadable cookbook, 'Center City Cooks,' which includes seasonal rec




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PBS' 'A Chef's Life' takes a realistic look at farm-to-fork

The new show follows the personal and culinary journey of farm-to-fork Chef Vivian Howard, one ingredient at a time.




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Bubbles could boost cargo ship efficiency

Could the power of tiny bubbles be used to boost the fuel-efficiency of cargo ships?




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Apple defends decision to leave environmental program

Apple is defending its decision to have its products removed from the EPEAT environmental standards certification program. Speaking to The Loop, Apple spokesper




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6 visionary transit ideas that turned heads before Hyperloop

Elon Musk wasn't the first with a futuristic idea. The transportation industry has seen a mixed bag of game-changing technologies and utter failures.




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6 futuristic transit ideas that turned heads before Hyperloop

Elon Musk wasn't the first to come up with a visionary transportation scheme.




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Proposal to mine near Okefenokee Swamp raises old fears

Environmental advocates worry that proposed titanium mining could permanently impact the Okefenokee Swamp.



  • Wilderness & Resources

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Looming chocolate deficit is not a reason to panic

Farmers are producing less cocoa than the world demands. That doesn’t mean we’re running out of chocolate.




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Lisa P. Jackson to step down as EPA chief

Jackson will leave the agency early next year, she revealed in a statement Thursday, adding that 'the ship is sailing in the right direction.'




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Senators introduce bipartisan bill to reform chemical safety laws

Bipartisan 'Chemical Safety Improvement Act' would require more safety regulation for chemicals while making it easier for those that pass to get on the market.



  • Protection & Safety

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Apple hires ex-EPA chief to lead green efforts

Lisa Jackson will serve as the computing giant's VP for environmental initiatives.




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Climate change hurts economy, EPA chief says

In her first speech as EPA administrator, Gina McCarthy argues 'climate change isn't an environmental issue. It's a fundamental economic challenge.'



  • Climate & Weather

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7 expert tips for reducing household food waste before it starts

"American Wasteland" author Jonathan Bloom shares tips for the source reduction of food waste like shopping smarter and keeping foods visible.




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The Lily Impeller: Nature-based design inspires game-changing efficiencies

Jay Harman developed technologies from the Lily Impeller that he says may fundamentally change how humans do almost everything.




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A new weapon against vitamin A deficiency: Yogurt

Grad student Christopher Johnson hopes to save lives with a little help from some microscopic partners.




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Can bacteria on bats' wings defeat a deadly fungus?

White-nose syndrome is obliterating American bats, but scientists may have found a ray of hope: bacteria that live on bat wings.




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15 useful facts about Zika mosquitoes

The mosquitoes that transmit Zika virus are wily, but if you understand their biology, it is possible to keep them in check.



  • Fitness & Well-Being

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A meteorite smashed into Mars — and left the red planet black and blue

A newly formed crater on Mars reveals the red planet's blue underbelly.




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How to make your refrigerator more efficient

This one tip can save up to 20 percent of the energy your refrigerator uses.




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Why the definition of sustainability must change

The co-founder of Soshal Group says if we want to influence the future of ethical business, we have to talk about it differently.




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In the persuasion game, beware the backfire effect

For a generation, activists have built their protest movement on the scientific facts of climate change. But the facts of another kind of science — neuroscien



  • Climate & Weather

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Tread carefully in linking extreme weather to the climate crisis

Environmental scientist Amy Luers warns that a cultural shift to our approach to emissions and climate mitigation requires a broad, long-term view. Tying the is



  • Climate & Weather

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Statins: Benefits outweigh diabetes risk

Cholesterol-lowing drugs called statins have been shown to increase the risk of diabetes in some people, but this potential harm is outweighed by the benefits o



  • Fitness & Well-Being

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6 health benefits of rooibos tea

Sweet and flavorful, Rooibos is a caffeine-free tea with lots of health benefits. Here are just a few according to recent studies.




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Grapefruit diet earns redemption, new study suggests

Recent research finds that grapefruit juice stems weight loss by 18 percent in mice and may be as effective as diabetes drugs.



  • Fitness & Well-Being

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The health benefits of Granny Smith apples

Turns out a Granny Smith apple a day may help you drop pounds as well as fight disease, according to research.



  • Fitness & Well-Being

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How Facebook knows when you'll get divorced (even before you do)

Facebook knows who your romantic partner is, even if you keep that information private, and can even predict if the relationship will last.




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#365Grateful Project: An exercise in creative gratitude

This gratitude project is simple, quick, creative and you probably have everything you need to participate in your pocket already.



  • Fitness & Well-Being

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Daily Briefing: Tues. 3/2/2010

Obama unveils "cash for caulkers," quake tilted Earth's axis, weed killer tied to sex changes, and more.



  • Green News Roundup

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Palestinian wins Global Teacher Prize for work with refugee children

Hanan al-Hroub honored with $1 million prize for assisting children exposed to violence.



  • Arts & Culture

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Paris to sell off 'love locks' in support of refugees

Officials anticipate raising big bucks from the sale of lovey-dovey padlocks removed from Paris' bridges.



  • Arts & Culture

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Purposeful tourism is more than just a vacation

Adding volunteer work or a spiritual journey to your travel calendar can improve your mental health and add meaning to your trip.




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In the Green Room: Touring the Okefenokee Swamp

Video: Chuck Leavell, keyboardist for The Rolling Stones and the cofounder of MNN, takes a tour of the Okefenokee Wildlife Refuge.



  • Wilderness & Resources

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In the Green Room: The national wildlife refuge system

Video: Chuck Leavell, keyboardist for The Rolling Stones and the cofounder of MNN, explores the national wildlife refuge system.



  • Wilderness & Resources