Tar sands crude is both more toxic and much harder to clean than ordinary oil.
President Obama has the power to make the transformation to a clean-energy economy.
Sandy is only the latest and most devastating incident in a pattern of extreme weather that's become impossible to ignore.
Big Oil will do everything it can to overturn President Barack Obama's decision and build the Keystone XL pipeline.
States have an inadequate or non-existent patchwork of rules, with many treating the toxic material like household garbage.
It's time to protect and treat this planet like the gift that it is.