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Despite local opposition, Mitt Romney is given the green light to raze his existing beachfront home in La Jolla, Calif. and replace it with a ginormous mansion.

Actor teams with Google and the United Nations to collect real-time satellite imagery of war-torn Sudan region.

Video: Searching below the surface of Antarctica for the mysterious neutrino.

Cape Wind won decisive approval triggering a potential green energy gold rush. But the opposition -- which mainly just doesn't want to look at wind turbines --

Philippe Starck unveils a line of energy-efficient prefab homes with European wood builder Riko.

Toyota has donated 4,500 free trees for this March's giveaway for New York City residents.

The success of two elementary school volunteer projects earned a shelter a donation from the Petco Foundation.

Site for wind farms is not exactly the type of field you picture a retired NFL linebacker scouting. But Sean Tufts is not your typical retired player. Nor is he

It's worth keeping tabs on some of the super-cool clean tech projects being backed by ARPA-E. Here are some of our favorites.

At the heart of an ambitious clean energy project envisioned by the Dutch is a man-made island nine times the size of Disneyland.

Deep Space Industries Inc. announced that it plans to harvest metals and water from asteroids within a decade.

In previous decades, we explored outward. Today's landmarks in science come from looking deeper inside.

Want to see if your home is a good fit for solar? Project Sunroof offers a decent snapshot from your web browser.

Mother's Day crafts. They are so easy to do, there's really no excuse not to melt Mom's heart.

Tennessee Valley Authority announces plans for economic development projects in Roane County, the site of last December’s coal ash spill.

Rutherford Seydel's Oxygen Project creates a sustainable Earth while creating financial sustainability for all. All it will take is a massive group action.

One hundred people are still in the running to become humanity's first Mars explorers.

Actress helped create wells in third-world countries.

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

The Citi branch in Union Square received LEED Platinum certification.

Bryan Cranston — the actor behind "Breaking Bad," television's favorite chemistry teacher-turned-meth manufacturer — appears at Dwell on Design to discuss

COTAP will focus its carbon offsetting projects in impoverished countries.

Energy efficiency efforts are a highlight of the company’s 2011 Corporate Responsibility Report.

Time-lapse artists and filmmakers Gavin Heffernan and Harun Mehmedinović traveled North America and photographed the impact of light pollution in ‘SKYGLOW.’

Recycling or donating your old iPhone is sensible. But these projects are much more fun.

The project will utilize a 2,000-meter barrier, making it the largest floating structure ever deployed in the ocean.

Irish teen Fionn Ferreira won the 2019 Google Science Fair for removing microplastics from water.

Austin's 'Chevy Volt Village' makes a handy political target, but in fact clean energy — and especially wind power — has been very, very good for Texas' ec

Fallen trees can be used for more than just firewood. Here's how to enhance your garden with downed limbs.

Brighter Living with Jill Cordes: It's not as hard or as expensive as you may have thought.

The controversial installation will cover sections of the Arkansas River with miles of silver fabric.

Some of NYC's oldest trees will get the appreciation they deserve with some creative lighting, poetry and more.

These artists used recycled pine, driftwood and waste timber to create their pieces.

Twenty years after artist Christo and his late wife announced plans to drape the Arkansas River in Colorado with 5.9 miles of fabric, the project has hit one mo

The casualty list from the government shutdown earlier this month continues to grow for U.S. Antarctic science.

I've been covering the Great Pacific Garbage Patch for the past year or so and just wrote about it here on MNN last week.

Photographers Kelly Pratt and Ian Kreidich capture ballet dancers and dogs in playful moments together.

The White House, federal government selects communities to participate in the Local Food, Local Places initiative.

Spruce up your holiday décor by bringing nature in with these beautiful and easy DIY projects.

Some cities don't recycle glass, but that doesn't mean you can't reuse glass bottles for candles, hummingbird feeders or even chandeliers.

The U.S. Department of Energy's Advanced Research Projects Agency-Energy (ARPA-E) has awarded $151 million to 37 forward-thinking energy research projects.

The U.S. Department of Energy recently awarded $24 million to three algal biofuels research projects.

Turbine sites in Delaware, Maryland, New Jersey and Virginia identified as prime parcels for projects.

The funding behind many environmental policies is getting cut, but the loan guarantee program for green energy projects is thriving.

The U.S. Department of Energy will provide more than $11 million to support eight geothermal energy projects.

Volunteers can lend a hand, from categorizing whale songs to planting sunflowers.

This fun indoor craft project allows kids to customize their very own miniature garden, plant succulents in a container, and watch them grow.

Fifteen-year-old Cassandra Lin is changing her community, her state, and her world, one pot of grease at a time.

There are so many things you can do with Raspberry Pi, an amazing, tiny computer.