Held by 350.org and the Sierra Club, the event marked the two-year anniversary of the disaster, the Lac-Megantic, Quebec, oil train explosion that killed 47 people.
They plan to note that oil-laden trains are so dangerous that transporting oil across the continent by train should be severely curtailed, if not ended.
A divided Supreme Court ruled against the Obama administration's attempt to limit power plant emissions of mercury and other hazardous air pollutants.
The government will provide disability benefits to as many as 2,100 Air Force reservists and active-duty forces exposed to Agent Orange residue.
The day addresses drought and desertification, and is meant to help implement the UN Convention to Combat Desertification.
"Shell wants to haul its Arctic destroyer to Alaska as soon as possible, but these courageous individuals are saying, 'Shell No.' "
"Leaders from environmental, labor, civic, and faith groups agree: Fast Track is a bad deal for our climate and our communities."
What does it take to stop a threatening transnational corporate giant? The people of Arequipa, Peru have an answer.
In terms of victories for the environment, this one is something of a sleeper hit, with momentum now starting to build as environmental groups celebrate another triumph over dangerous natural gas drilling.
It is recognized by an increasing number of countries as an opportunity to celebrate our world ocean and our personal connection to the sea.