Environmentalists and rank-and-file railroad workers took to the streets protesting continued transportation of oil trains.
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.
"Leaders from environmental, labor, civic, and faith groups agree: Fast Track is a bad deal for our climate and our communities."
As in the case of so many prior disasters, environmentalists and everyone affected by this devastating oil spill are trying to get through what some have called a "nightmare scenario."
"Another derailment and explosion of a train carrying oil. We need to get these exploding death trains off the tracks."
Scientists have linked a swarm of small earthquakes west of Fort Worth, Texas, to nearby natural gas wells and wastewater injection.
"California water policy, water management, and infrastructure need to be changed: those systems were built in an old climate and the reality is, we're in a new climate."
On this day in 2010, a BP oil rig exploded in the Gulf of Mexico, resulting in the largest offshore oil spill in U.S. history.
"People, wildlife, rivers, and lakes will pay a huge cost for the government's failure to act. It's only a matter of time before the next explosive accident."