New York City's Feral Cat Initiative pairs feral cats that need a range with humans who want a defense against rodents.

Located on the Mississippi Flyway, Chicago is one of the deadliest American cities for migrating birds. But the Windy City is trying to change that statistic.

As their habitats give way to sprawling human developments, more and more animals are being forced into cities and suburbs.

The Ivy League campus is now home to 50 LEED certified green building projects.

Buried in the 500-plus pages of the defense budget signed by President Obama on Dec. 31 is a curious provision that prohibits the Department of Defense from spe

The District of Columbia had the most LEED-certified square footage per capita in 2011.

The New American Home 2012, the official show home of the International Builders' Show, is revealed to be a boxy and modern beauty that's smaller and more effic

The Salmon Cove home was built with the environment in mind.

The United States Green Building Council (USGBC) developed the Leadership in Energy and Environmental Design (LEED) rating system to certify buildings as meetin

The new certificate is offered by the U.S. Green Building Council's Center for Green Schools.

The home of the Chicago Bears is the first LEED-EB certified NFL stadium.

Application deadline for the 2012 Affordable Green Neighborhoods Grant Program is Aug. 10, 2012.

Toyota's Kansas City Regional Technical Training Center received LEED Gold certification.

Harmony House for Cats’ new shelter isn’t just doing something good for Chicago’s felines — it’s also doing something good for the planet. The no-kill

Study reveals that green certified homes are valued 9% higher than comparable properties.

The architectural design firm’s portfolio includes 20 LEED Platinum certified facilities.

After the nation's largest deep energy retrofit, the Castle Square Apartments in Boston's South End achieves LEED Platinum status.

Calgary will be getting yet another show-stopping skyscraper, this one a LEED Platinum-exceeding mixed-use development designed by Bjarke Ingels Group.

Paul Williams' landmark 28th Street YMCA in South L.A. emerges from a LEED Gold restoration project, historically significant identity still intact.

Study measuring traces of psychotropic drugs in the air of eight major Italian cities has alarming results.

It's amazing how closely the powerful swirls of a hurricane match the Fibonacci sequence.

Ever wonder why mountains are as tall as they are? Why is the tallest mountain on Mars nearly 3 times higher than Mount Everest? MinuteEarth has the answer.

Japanese scientists have discovered that some apples have changed in flavor and firmness over the past few decades. Science says climate change may be to blame.

From curious kid to giving back, to advisor to Apple computers, Jackson shares her path to leadership.

Filmmaker Mark Kitchell talks to MNN about the need to understand the birth and life of the green movement in the U.S.

Sustainable agricultural practices add essential carbon to soil's organic matter, which could be key to reviving soil quality.

Researchers say the giant tsunami occured in the Cape Verde Islands 73,000 years ago.

You can make a difference for environmental science while traveling, whether you're going to the beach, visiting a park or sticking to cities.

Unexplained natural phenomena, which is regularly observed in the aftermath of quakes, occurred during last week's 7.8 magnitude earthquake.

How the Sahara Desert both contributes to and checks the formation of big hurricanes.

Extreme weather journalists are not the calm we need during a hurricane or storm.

Touching a giant hogweed can cause burns and even blindness.

Urban noise — and AC/DC — may be wreaking havoc on ecosystems.

Satellite images confirm another massive iceberg has split from Antarctica, this time from the Pine Island Glacier.

This middle-of-nowhere cave may have never been seen by humans.

New plastic PDK can be broken down at a molecular level and come back just as strong to be reused again and again.

Scientists complete the first-ever genome sequence of the deepest-living animal on Earth.

The oil bubble bursts as Brazil and Hawaii say "yes we cane" to ethanol. Also: saving elephants by buying ivory, saving trees by using paper, and saving endange

A recycling company is turning the controversial party drink into real-life car fuel.

Ethanol is emerging as one of the biggest wedge issues for Republicans as they focus on the Iowa caucus.

Get daily reminders about your carbon footprint and IE will plant a tree of your choice.

Tree-friendly book lovers rejoice by planting trees for each book read.

Kenaf, the carbon-sequestering monster plant, provides food, shelter and carbon credits.

MNN rounds up some of the Web's most useful tools for shrinking your footprint.

With so much activism and celebrating going down on Earth Day, a sense of humor is often overlooked. The Onion is here to help.

Two fair trade pioneers get into the carbon market.

Maybe carbon offsetting isn't as fool-proofed as many businesses would like people to believe.

As demand for carbon accounting heats up, start-up software companies vie for the lead position. Over 50 new companies (and counting) have entered the race.

Brown has gone green! UPS has become the first small package carrier to offer its customers the option of purchasing carbon offsets to counteract the CO2 emissi

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