Today is Earth Day and, barring any last minute change, it's also the final day the public can send the State Department our comments on the proposed Keystone XL tar sands pipeline.

Here's mine:

This is a plan to pipe some of the dirtiest...

This Saturday marks the third anniversary of the BP blowout that killed 11 men aboard the Deepwater Horizon and sent some 170 million gallons of toxic crude oil gushing into the Gulf of Mexico, in what President Obama called the worst environmental disaster in our history.

Three years later,...

If your child has asthma or if your parent suffers from heart disease or if you are one of the millions of Americans who value clean air, then the Senate confirmation hearing for Gina McCarthy on Thursday will be of interest to you. McCarthy has been tapped to lead the...

When the CSX Corp. wanted to relocate an existing intermodal facility in downtown Baltimore to Elkridge, Maryland, it triggered a federal environmental review to assess the impact that a new 24/7 operation visited by 300 trucks a day would have on the small city.

Following extensive public comment -- where...

Today NRDC announced the winners of the 2013 Growing Green Awards. These awards celebrate the farmers, business owners, and bold thinkers who are transforming America's food system. Each one of them has pioneered ways to provide food that nourishes our families and restores our environment at the same...

The U.S. Senate cast key votes on the fiscal 2014 budget resolution Friday that sent a clear message on climate change: we won't stand in the way of executive action to cut the carbon pollution from our nation's power plants.

The Senate also stood up for public health, rejecting a...

More than 35,000 people gathered in Washington, D.C. on Sunday to urge President Obama to confront climate change. Farmers, religious leaders, scientists, union workers, students, and more came together because we can't afford to wait any longer. Climate change is already threatening our communities with extreme weather and...

When I started talking about climate change more than a decade ago, I worried my future grandchildren would someday face rising sea levels and punishing drought. Now it's clear those dangers won't wait until a later date. They have arrived already, and they are delivering heartache and suffering right now.

Every year tens of millions of salmon return to the pristine shores of Bristol Bay in Alaska. They linger in the bay's cool shallow waters before charging up nearby streams to spawn and create another generation of wild salmon. Their thrashing silver and red presence draws an abundance of life....

Most people don't think chocolate factories or hardware stores have much to do with climate change. Yet residents of Queens, New York have discovered that extreme weather can devastate local businesses. Hurricane Sandy swamped the Madelaine Chocolate Company, for instance, and two months later, owners were still clearing out mud...

Shell Oil's string of failures in its Arctic Ocean drilling attempts continued into the New Year. One of the company's drill rigs ran aground near Alaska's Kodiak Island with 150,000 gallons of diesel fuel and other petroleum products onboard. In the face of a winter storm, all four of its...

2012 was a historic year for climate disasters. Between a devastating drought, raging wildfires and the superstorm Hurricane Sandy, millions of Americans saw the very real toll that climate disruption is having on our country. But it's not just extreme weather events - according to data from NOAA, 2012 is...

NRDC experts unveiled a groundbreaking proposal today that will confront the threat of climate change and make our air safer to breathe. It calls for cutting carbon pollution from existing power plants -- our nation's largest source of global warming pollution -- and giving each state broad flexibility...

Americans elected clean energy and clean air champions up and down the ticket last week. Even though oil, gas, and coal companies spent more than $270 million on campaign ads in the past two months, the majority of people rejected their dirty agenda. Voters want healthy air and...

Tuesday night Americans reelected a president who made clean energy and environmental protection a cornerstone of his first term. They chose the one candidate who spoke seriously about climate change on the campaign trail and used his authority to reduce America's carbon pollution. They rewarded this leadership by calling for...

In a year of sweltering heat, withering drought, some of the worst wildfires on record and catastrophic hurricanes that have ravaged our Gulf coast and Mid-Atlantic states, we have one presidential candidate who thinks climate change is a political punch line. The other rightly calls it a threat to our...

A few weeks ago I went to Linda and David Headley's farm in Smithville, Pennsylvania to talk about what it's like to live next door to natural gas drilling. The Headley's house was packed with people who have drill pads and wastewater pits in their yards. They described seeing their...

On a recent trip to western Pennsylvania, I visited a man who lived along a leafy country road. He showed me around the house he had built for his wife and three sons and said he wanted to raise his family in a quiet rural area. He thought he had...

Several of my friends and family members have had skin lesions biopsied in the past few years. Luckily they have been cancer-free, but these test results could have been much more alarming if the international community had not signed the Montreal Protocol to save the ozone layer 25 years ago...

Last week I stood on Safeco Field, the home of the Seattle Mariners, and watched Major League Baseball Commissioner Bud Selig receive an award for his leadership in greening sports. He told the crowd that environmental stewardship makes sense to anyone who loves baseball and loves to see it played...