In February, 50,000 people marched on the freezing Washington Mall to tell President Obama that he must reject Keystone XL and move forward on climate. Since then, Sierra Club activists and our partners have met President Obama, Vice President Joe Biden, and Secretary of State John Kerry at more than...

The "new majority" that elected a president is also electing to hop on the bicycle as a transportation alternative.

Biking boomed in communities across the country, doubling from 1.7 billion trips in 2001 to more than four billion trips in 2009. That growth is being pedaled forward by...

Sierra Club has a long and successful history mobilizing our two million-plus members and supporters to push government leaders to protect our health, air, water, land, animals, and climate. Corporations have a tremendous impact on all of these.

With the launch of the Future Fleet campaign we intend to...

It sounds like the set-up for a bad joke:

"A bright-eyed college student from upstate New York, a soft-spoken Unitarian from Santa Barbara, California, an environmental justice advocate from the Texas Gulf Coast, and a retired elementary school teacher and grandmother from Nebraska all get on the same bus..."

But...

Nuance is lost on history. In the years to come, daily decisions on thousands of issues will be compressed into one or two that will come to define President Obama -- and our time. Barack Obama's legacy as 44th president of the United States of America begins to take shape...

This fall the U.S. Supreme Court will decide a case that throws a spotlight on the oil industry's toxic influence on our democracy -- and why we need to move America beyond oil as quickly as possible.

In the 1990s, Shell Oil allegedly enlisted the Nigerian military dictatorship to...

Last weekend 25,000 people participated in National Plug In Day events to celebrate the benefits of electric cars and meet with those who have already chosen to drive oil-free. In 65 cities electric car owners showed off their cars and gathered with other interested Americans to talk shop and tally...

In Washington, D.C., too many leaders haven't gotten the word that our nation's love affair with oil is on the rocks. But across the nation, Americans who have access to public transportation aren't waiting -- they're making the break from oil and voting with their feet by "dumping the pump"...

An oil pipeline under the Red Deer River in Alberta, Canada, spilled up to 3,000 barrels of oil into the waterway late last week.

Officials don't know what caused the leak, but the oil from the Plains Midstream Canada pipeline has already spread downstream and...

June 4 is "Black Out Speak Out Day" in Canada. It's not a holiday. It's a rare national day of protest against Prime Minister Stephen Harper's conservative government's attack on civil society organizations including labor, environment, immigration, and students. Over 13,000 Canadian websites will be blacked out in protest. Many...