Whether you go out stargazing or simply relax in the dark at home, spending an hour without power Saturday night might just re-energize your weekend.

Annual event, which encourages people around the world to power down for one hour, teams up with the cast and crew of 'The Amazing Spider-Man 2'

Green Shipping lets businesses and individuals measure and offset the CO2 emissions of packages when using UPS, FedEx or the U.S. Postal Service.

Your car could capture and store carbon dioxide for later disposal, making it zero climate emission even without batteries.

My new bike has a lithium-charged motor that kicks in just enough added oomp to power me through hills and headwinds.

A 10-mile stretch of Los Angeles' 405 Freeway — the most heavily trafficked road in the country — was completely shut down this weekend as part of a $1 bill

You can now get a charge out of its new go-anywhere GoCharger.

Being stopped at red lights is more than just annoying; it also can be incredibly unhealthy.

Electric carmakers need more cobalt for their lithium-ion batteries. Tiny Cobalt, Ontario, aims to become a sizable supplier.

Escaped camel, cow and donkey in Kansas are 'halfway towards a live nativity.'

More than one-third of adults in the U.S. over 45 likely suffer from chronic loneliness, but creative housing solutions like these can change those numbers.

Photographer Richard Silver captures the surreal ambience of the "blue hour" with these beautifully spliced landscape images.

With the Living Building Challenge now under its belt, the facility is being heralded as one of the greenest buildings in the world.

In a once iffy stretch of East Oakland, Tassafaronga Village stands as a model of affordable green housing done right.

Heatherwick Studio's mighty pretty design for Maggie's Centre Yorkshire resembles a cluster of massive potted plants.

At long last, Brad Pitt's green rebuilding effort thinks smaller (but just as sustainable).

Why move to the woods when you can live in a tower that doubles as a coniferous forest?

Located in the rural town of Brumunddal in Norway, Mjøsa Tower nabs the title of world's tallest wooden building.

When people see animals everywhere in pop culture, they assume they're everywhere in real life.

With guidance from the World Wildlife Fund, Swedish retailer IKEA uses bath towels and duvet covers to spread a message of conservation.

The elusive Bahama nuthatch was found in limited numbers on the island Grand Bahama amid concerns it had been wiped out in 2016.

19 of the 450 remaining whales died from 2017-2018, pushing the species even closer to the edge of extinction.

Two mother-and-calf pairs of North Atlantic right whales have been spotted so far this year in Cape Cod Bay.

England is poised to introduce a sweeping ban on the import of endangered animal parts, including those from "trophy" kills.

Companies looking to be more humane are trying out a gassing method instead of electric shock.

'Tis the season for Cabin Porn and 200-page treatises on Norwegian wood chopping technique.

A roundup of some of the weirdest — or shall we call them unique? — sleeping bags out there.

When you buy these presents, stocking stuffers and hostess gifts, you're also giving to charity.

Tips from people who are really great at giving the best gifts that the rest of us need to read.

These gift ideas are perfect for the people in your life who love nature and the great outdoors.

The incredibly fuel-efficient Bright Idea isn't aimed at jam band fans who follow Phish: It's targeting fleet customers like Coca-Cola, Frito-Lay and Cox Commun

In honor of Earth Day, our columnist reveals his 13 favorite eco-books.

Environmental activists are bringing problems (and solutions) right to your desktop via Google Earth.

As the Senate takes up the climate bill (maybe), activists need to point Americans away from lies and despair, toward inspiration and opportunity.

How can you blame the master of talk radio for suggesting that an elitist environmental reporter kill himself?

The bestseller’s flawed climate arguments show that maverick heroes aren’t right about everything.

In a new study, physicians predicted about 55 percent of patients would be "likely" or "very likely" to follow their recommendations for losing weight, eating h

Both environmentalists and U.N. officials agree ... COP15 was a 'failure.' But the 'Copenhagen Accord,' though flawed could mark the messy beginnings of a post-

Video clips from the great Copenhagen march for the climate.

Video footage from our tour of an off-shore wind farm in Denmark.. will wind replace an aging fleet of coal plants?

As governments struggle to solve the climate change crisis, who's stepping up?

In the face of the global challenge of climate change, our responses too often involve doing Much Too Little or thinking Way Too Big. The real key is to start a

The best photos of the week as presented by the Mother Nature Network, including a landfill worker in Cambodia and a mistletoe farm.

The tiny desert kingdom has an outsized appetite for fossil fuels, making it an awkward place to host international climate change negotiations.

The Mongol invasion scrubbed nearly 700 million tons of carbon from the atmosphere, according to new research.

A National Geographic Kids book teaches all about the “Human Footprint.”

By studying particles on the ocean floor, scientists conclude that Earth supports one-third less life than originally thought.

Meet Visualight, a WiFi-enabled LED bulb that visualizes data as colored light. In other words, when a recent crush messages you on Facebook, the lights in your

In commemoration of National Energy Action Month, our friends at Cree share an infographic highlighting the energy-saving prowess of LED lighting.

NASA will replace the ISS's fluorescent bulbs with an array of LEDs