Last week was the fifth anniversary of the Deepwater Horizon oil spill in the Gulf. Here are 10 solutions that could have helped then and will hopefully prevent major damage in the future.
One of the perverse effects of climate change, and of the fact that the poles are warming up faster than the rest of the planet, is that Arctic sea ice is retreating more than we've ever seen before, opening up the Arctic sea to oil shipping and drilling.
Experts have predicted a "high risk" of rupture on this aging oil pipeline that has recently been approved to bring Alberta tar sands crude to Eastern Canada.