Rev. Jim Ball, 06/28/12

Author, 'Global Warming and the Risen LORD: Christian Discipleship and Climate Change'

Christians are seeing that climate action is part of Christ's lordship in our lives, even in the midst of hardship and opposition.

Sierra, 06/28/12

The magazine of the Sierra Club

Swimmer Natalie Coughlin, 29, was the most decorated female athlete at both the 2004 Athens and the 2008 Beijing Olympics. Besides swimming, Coughlin's passions include food, gardening, and the five chickens she keeps in her backyard in Lafayette, California.

Julie Brothers, 06/28/12

Photographer, Writer

The liqueur program at The Spare Room is a time-consuming process based on local harvest, making it 'the best of last season's foraging.'

Henry Henderson, 06/28/12

Natural Resources Defense Council Midwest Program Director

We can turn the tide against persistent water pollution. Today more than ever, we know that much of this pollution pattern is preventable.

Laura DiMugno, 06/28/12

Writer and editor

It may be hard to imagine, but the outer edges of Antarctica were once green, luscious and teeming with vegetation, a new study has uncovered.

Roger Platt, 06/28/12

Senior Vice President, Global Policy and Law

I firmly believe a new generation of pragmatic and committed leaders was hard at work at the conference in Rio. Our job now is to identify who these leaders are and how to work with them to ensure they succeed.

Brendan DeMelle, 06/28/12

Executive Director, DeSmogBlog.com

Documents obtained by the Environmental Working Group show that bureaucrats within the NY DEC granted the oil and gas industry premature access to highly controversial draft regulations for shale gas fracking in the state.

Kelly Rigg, 06/28/12

Executive Director, GCCA

Let's face it. The United Nations Conference on Sustainable Development (Rio 20) was a flop -- at least the part that involved negotiations amongst governments.

James Thornton, 06/28/12

CEO, ClientEarth

In the U.K. and the rest of Europe, when it comes to the environment, judges often don't know the law. And they can be wilful in remaining ignorant.

Robert Walker, 06/28/12

President, Population Institute

While Rio 20 did not produce any major environmental breakthroughs, there is hope on another front: population. An international family planning summit will take place in London on July 11, World Population Day.

Laura Klein, 06/27/12

OrganicAuthority.com

We caught up with George on the heels of winning the NRDC's fourth annual Growing Green Award, given for his efforts in making our food system healthier and more sustainable.

Elischia Fludd, 06/28/12

Gender Justice Activist, Humanitarian, Founder of EOTO World.

Indeed, the dialogues were an innovative process to the UN system that leaves many wondering if such a process will become a staple of UN engagement with civil society.

Margaret Hyde, 06/27/12

Filmmaker, Writer and Photographer

If space is an issue or you have older children, a pizza garden is a lot fun and keeps them really engaged. In a small bed or pots, plant a few tomato plants, basil and oregano -- all of the garden ingredients that you need for a pizza.

Bianca Jagger, 06/27/12

Founder and Chair, Bianca Jagger Human Rights Foundation

What Rio+20 has demonstrated is that we can no longer stand by and wait for world leaders to provide solutions to prevent us from reaching the tipping point, or point of no return.

Tamar Haspel, 06/27/12

Ex-urbanite now knee-deep in chicken poop: www.starvingofftheland.com

"I've never been so disgusted with the human race," said one commenter. What could he have been reacting to? A piece on slavery? The Crusades? No, it was a piece about pigs.

Colleen Becker, 06/27/12

American writer based in London

Practicing what she calls "political medicine," Stein encourages her natural allies to heal themselves from a "sadomasochistic relationship to corporate politics" by acknowledging their agency.

L. Steven Sieden, 06/28/12

Author, 'A Fuller View' and 'Buckminster Fuller's Universe'

The Rio 20 conference was a bust because our so-called leaders could not decide on a purpose much less any significant results. This seems like a predictable outcome given Buckminster Fuller's perspective that "all politics are not only obsolete but lethal."