A different type of collective action took place - a coordinated effort by Greenpeace activists to stop oil giant Shell from drilling in the arctic.
An underwater robot has been modeled after a jellyfish, and will be used in rescue efforts and surveillance.
"This is a dog-and-pony show," said a dissatisfied resident, among hundreds at a public hearing to investigate the city's 4.0 earthquake on New Year's Eve.
The regulation is intended to reduce, in 27 states, pollution that plays a large factor in unhealthy air downwind.
An earthquake measuring 4.0 on the Richter scale hit Youngstown, Ohio.
In a historic development, the Obama administration has set national health standards for mercury and other toxic air pollution, a measure that will save lives and create jobs in pollution control technology.
The wind industry has an ongoing situation that needs to be remedied; they have fallen short on worker safety.
An estimated 12,000 tar sands protesters encircled the White House, Nov. 6, chanting, "Stop the pipeline, stop the greed, and give the people what they need."
Environmental activists rallied outside the Ohio State University Student Union, where Republican Gov. John Kasich held an energy summit.
Building Trades unions are backing - and transit unions opposing - the proposed Keystone XL oil pipeline, from the tar sands of the Canadian province of Alberta to the oil refineries of the U.S. Gulf Coast.