Let's take a look at 10 of the biggest environmental issues of 2013 and see what lessons can be learned from them going forward.
President Obama issued an executive order on Dec. 5, calling for an increase in solar, wind, and other renewable energy for federal agencies, to 20 percent by 2020 - three times more than the agencies currently use.
Residents on the southeast side of this city are complaining about smoke, but it's actually dust from an oil refinery, and it's drifting into many nearby neighborhoods.
Parts of the East Coast are finally adopting solar energy projects, and New York City is leading the charge, the Fresh Kills development is seen as a major victory.
Oil companies have not yet fulfilled promises to develop new technologies to treat toxic water in the tailing ponds, and fears exist that this dirty water will sit there for decades, leaking toxic water.
The Mi'kmaq Nation is hoping to win an injunction against Southwestern Energies to stop the shale gas "exploration" on their land.
"We urge the TVA not to choose to rely on natural gas. It's time to leapfrog over dirty fossil fuels that will continue to exacerbate environmental/health issues."
It turns out that it was a clean sweep for opponents of fracking during last week's elections in Colorado.
The vaccine's name is VA-MENGOC-BC, and it comes from Cuba. Under the anti-Cuban U.S. economic blockade, Cuban exports to the United States are forbidden.
Continuing to prove that oil spills are the new normal, a pipeline in Smithville, Texas leaked about 17,000 gallons of crude on October 30.