Maria Rodale, 1/9/12

CEO and Chairman of Rodale, Inc. and book author

Manufacturers have decided that, if given the choice, we might not choose to buy GMO products. So, they've decided not to give us a choice, which doesn't seem very American.

Victor Stenger, 1/9/12

Physicist, PhD, bestselling author

It came as a surprise to me to learn recently that an alternative to carbon combustion has been available to us since World War II, but not pursued because it lacked military applications.

Andrew Gunther, 1/9/12

Program Director, Animal Welfare Approved

While the FDA's decision to curb the use of cephalosporins in food animal production has been hailed as positive step, forgive me if you don't see me jumping for joy.

Molly Miller, 1/9/12

Staff writer, Rocky Mountain Institute

The price of new equipment is an easily comprehensible but incomplete cost. Life cycle cost analysis adds in maintenance, energy use, tax incentives or rebates, and any salvage value.

Anne Butterfield, 1/9/12

Columnist for the "Boulder Daily Camera"

As backdrop to the Republican presidential primaries a doltish brawl has been erupting among GOP factions.

Donald Cohen, 1/8/12

Chair, In the Public Interest

In 1776, the nation's founders believed their fight for freedom was a struggle for genuine civil and political rights. In 2011, the GOP's cartoon-like fight for freedom to use polluting light bulbs is hard to take seriously.

Philip Radford, 1/8/12

Executive Director, Greenpeace

Americans are clearly too smart to be faked out by Big Oil's phony grass roots strategies. Vote 4 yourself, not oil executives.

Peter Gardett, 1/8/12

Managing Editor of AOL Energy

Americans are accustomed to identity politics; can their identity as energy workers, producers and consumers outweigh other political identities?

Starre Vartan, 1/8/12

Author, "The Eco Chick Guide to Life", Problogger, Ecofashionista, and Ethical Traveler

I think of a destination wedding as a genuine excuse to blow my travel budget -- and see the stunningly beautiful Na Pali Coast at the same time.

Michael Brune, 1/6/12

Executive Director, The Sierra Club

It's another warm, dry, sunny day here in San Francisco today. Highs might hit 70 degrees. Temperatures are in the 80s in Los Angeles, with a high of 90 in Fullerton. It's January 5.Has the weather been weird where you are, too?

Ed Sayres, 1/6/12

President, ASPCA

Researchers at Tufts' School of Veterinary Medicine conducted a study in which they found that cats living in homes with smokers are twice as likely as cats living with non-smokers to acquire feline lymphoma cancer.

Carl Safina, 1/7/12

MacArthur fellow, Pew fellow, and Guggenheim fellow

Here's how I can tell if an environmental news story has permeated the public consciousness: my 86 year-old mother phones to tell me about it.

Heather Taylor-Miesle, 1/5/12

Director, NRDC Action Fund

Today the American Petroleum Institute launched its latest attack on our great nation with their "Vote 4 Energy" or "I vote" campaign.

Corbin Hiar, 1/7/12

Reporter at the Center for Public Integrity's iWatch News

While the bluefin tuna is widely acknowledged to be a threatened fish, the price paid Thursday for one 593-pound catch is more a show of nationalism and marketing saavy than a sign of how endangered the tuna has become.

Lewis Milford, 1/5/12

President, Clean Energy Group (CEG)

Unfortunately, facts seem of little interest to Norquist. In the end, he makes his intentions clear. He just wants to stir up new Republican governors to end renewable energy laws for political reasons.

Bernie Bulkin, 1/6/12

Former Chief Scientist of BP, Chairs the UK Office of Renewable Energy

There are more and more stirrings of a science-driven revolution, a transformation in how we generate our power. Some doubt the value of encouraging this sort of revolution to occur. I don't.

Richard Brodsky, 1/6/12

Senior Fellow, Demos

After careful review of what is known about the Indian Point power plant, I am and have been of the view that it is dangerous, expensive and unnecessary. Here's why.