Jeff Biggers

Author of 'Reckoning at Eagle Creek: The Secret Legacy of Coal in the Heartland"

Never has Sen. Rockefeller's leadership on health and safety issues been more needed in the coal mining areas of central Appalachia.

Molly Rauch

Blogger and Public Health Policy & Outreach Manager, Moms Clean Air Force

We will have to ask our retailers: Are you meeting the California flammability standard with chemicals in foam (i.e., business as usual)? Or are you meeting the standard through physical barriers instead?

Carl Pope

Former executive director and chairman, Sierra Club

In Bjørn's world, climate is tomorrow's problem, which must wait until we solve today's, poverty. Cheap and available fossil fuels are going to lift the poor. Clean energy which might solve the climate crisis is not up to the job.

Laura Turner Seydel

Chairperson, The Captain Planet Foundation

Why is the decline of pollinators one of our most critical environmental issues? Pollinators provide a crucial ecosystem service valued annually at $125 billion globally ($15-$20 billion in the U.S) in the pollination of our food crops.

Miyoko Sakashita

Oceans Director, Center for Biological Diversity

We have a responsibility to protect this island -- and, in fact, all ocean habitats -- from the scourge of plastic pollution.

Ralph Nader

Consumer advocate, lawyer and author

There is much to be learned about the places we call home -- our history, our environment, our culture, our civic life, our government and much more. Enter author David Helvarg and his brilliant and engrossing new book The Golden Shore: California's Love Affair with the Sea.

Bill Chameides

Dean, Duke University's Nicholas School of the Environment

So what's wrong with our recycling system? Why are we not recycling more? Some insight can be gained by seeing how different states encourage people to recycle.

Keith Runyon

Journalist

The stewards of these many acres understand that with land comes power, and a good number of them are dedicated to use that power to stop what they see as an onslaught against the earth's sacred soil, sacred air and sacred water as well as the safety and well-being of human communities.

Adrian Benepe

Senior Vice President and Director of City Park Development, The Trust for Public Land

The experience of having a bike to use when and where I want, for unlimited use, and for a yearly cost of just $95, defied the notion that nothing can get done that works well in a city as complicated as New York.

Christopher Norris

CEO, Techbook Online Corporation

After years in the rumor mill, it's safe to say Mother Nature is bipolar, but it's not her fault. For decades, analysts have pointed to a steady decline in the Earth's natural environment.

Rev. Michael Dowd

Religious naturalist, evidential mystic, big history evangelist, and author of 'Thank God for Evolution'

How should the marchers be tuning their perception so as to notice that climate change is already impinging on ecologies and cultures? And how will those changes accelerate if we turn a blind eye to the credible and increasingly urgent warnings of climate scientists?

Annie Spiegelman

Author, "Talking Dirt: The Dirt Diva's Down to Earth Guide to Organic Gardening"

If I am going to be informed about our dismal future living on a carbon-crammed planet I want you to be miserable right alongside me. We will sink or swim together. Literally. Bottoms up!

Yvo de Boer

KPMG’s Global Chairman, Climate Change & Sustainability Services

Some people say corporate responsibility reports are a waste of time and money, believing them to be so dense and so dull that no one could possibly bother to read them. Others see them as vehicles for corporate greenwash.

Brendan Leonard

Outdoorsman and author of 'The New American Road Trip Mixtape'

You can't be wearing a bike helmet and messing up your hair before work. Fact: Hair products are not portable, and are not designed for use outside of your home bathroom or a hair salon. And let's face it: Your hairstyle is a work of carefully crafted art, not something that can be rushed.

Javier Sierra

Media consultant and Sierra Club columnist

During 22 days, four social justice heroes fasted in Washington, D.C., to support immigration reform including a path to citizenship, in the shadow of the very same Congress that refuses to vote on it.

VisualNews.com

A place where you can find daily visual inspiration from around the world.

The world's oceans are vast, covering 71 percent of the Earth's surface and containing 97 percent of the water, yet only about 5 percent of the ocean and its depths have been explored.

Seth Shulman

Senior Staff Writer, Union of Concerned Scientists

With Congressional partisanship reaching unprecedented levels and science too frequently under attack from a vocal minority, it's all the more vital to stand up for the basic idea that our choices should be informed by the best evidence and data available.