Video: Chuck interviews the legendary Willie Nelson at Farm Aid 2009.

Chuck Leavell, keyboardist for The Rolling Stones and the cofounder of MNN, talks to pop star Jason Mraz about his avocado farm and what it felt to be named the

Chuck Leavell, keyboardist for The Rolling Stones and the cofounder of MNN, sits down with country music star Gretchen Wilson at Farm Aid 2009 to talk about fig

Video: Chuck interviews Ray Anderson of Interface Inc., author of 'Confessions of a Radical Industrialist'.

Video: Chuck Leavell, keyboardist for The Rolling Stones and cofounder of MNN, sits down with singer-songwriter Will Dailey to chat about Farm Aid and eating go

Video: Chuck interviews the Indigo Girls about their nonprofit, Honor the Earth.

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

Video: Rock star Bryan Adams chats about his Canadian homeland and what they're doing to stave off deforestation.

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

Video: Chuck Leavell, keyboardist for The Rolling Stones and the cofounder of MNN, finds out about the importance of having a single national wildlife refuge se

Video: Will Dailey talks about the importance of Farm-Aid, his music career, and how social media is helping him release his new album 'Torrent'.

Video: Chuck Leavell, keyboardist for The Rolling Stones and cofounder of MNN, sits down with the Indigo Girls to chat about the complexities of touring with bi

The official mascot for the 2018 Paralympic Winter Games is a moon bear. It may not sound like a big deal, but the species really needs this.

The bandage uses a thickening agent known as kappa-carrageenan, obtained from seaweed, to create injectable hydrogels.

Stunning 3-D videos capture the drama of life on a subcellular level.

It may be subliminal, but you transmit your fear to your dentist.

Developed at the University of Helsinki, PrimeBEE allows immunological signals to be passed from a queen bee to her offspring.

The secret to chicken soup's medicinal properties have been revealed by dietician Sandy Allonen.

The rotavirus vaccine may also have the unexpected advantage of reducing rates of Type 1 diabetes.

Black women's contributions to society have often been overlooked, yet these pioneers in science, technology and medicine have changed history.

Researchers find that more than 10 percent of patients may be taking aspirin unnecessarily, and the risks may outweigh the benefits.

Airbnb is offering free housing for cancer patients and the people who care for them.

In addition to studying leaves and flowers to recognize trees, you can also look at tree bark characteristics.

The quirky Joshua tree may be nearly gone in 50 years if we don't battle climate change.

To fight climate change and deforestation, Ethiopia is turning to trees in a big way.

Michigan state parks are teaming up with Bob Ross Inc. to plant lots of 'happy little trees.'

These storied specimens have been shortlisted for Britain's Tree of the Year contest.

Matt Jones was arrested by TVA police after driving home elderly residents from a community meeting discussing the coal ash spill.

A study in Philadelphia finds that transforming vacant lots into green spaces has a beneficial impact on mood and wellbeing, particularly in low-income areas.

Complaints of sidewalk excrement have become so frequent that the city has established a team dedicated to clearing away number twos.

The town of Ipswich has been haunted by a nursery rhyme playing over a loudspeaker for more than a year.

The World Cities Culture Forums' ranking of member cities with the highest and lowest percentages of urban parkland doesn't come without surprises.

It has to do with civic involvement and not an issue with nature.

New research shows that urban green space largely benefits the wealthy and educated, not the underserved communities that need it most.

Dubbed 'the smartest park ever built,' the Public Square and Gardens at Hudson Yards is now open for visitors.

Researchers from the University of Wisconsin-Madison find that city blocks with 40% or more tree coverage are naturally cooler than blocks with fewer trees.

A concept unveiled at a UN roundtable outlines a fully autonomous floating city.

Two recent studies show that visiting an urban park for as little as 20 minutes will reduce stress and boost emotional well-being.

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

A USGBC report highlights green building advancements made in all 50 states.

Find out what the LEED Green Building Rating System has in common with Shakespeare.

The BuildingGreen Top 10 Green Building Products were announced at Greenbuild 2011.

The Greenbuild 2011 keynote address is sure to get you fired up about green building.

Go green or get left behind. That's the message many hotel owners are hearing as they watch their competitors slash operating costs, gain respect in the communi

Project Haiti Orphanage and Children's Center will provide a safe and healthy home for Haitian children.

USGBC founder David Gottfried is selling his Oakland bungalow which, at the time of its completion, was the highest scoring LEED-certified home in the country.

The Center for Green Schools, an initiative of the U.S. Green Building Council, has published the first Best of Green Schools list.

Environmentally-friendly practices aren't just for new buildings anymore. Their existing – and, in some cases, elderly – counterparts are catching on, too.

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.