Humans are causing extinction of species at 1000 times the natural rate.

Laying out the danger of transporting lots of oil by train.

We require every car driver to have insurance. Why not require every tank car to have insurance too, to cover the small but significant chance of a fatal explosion? This way, tiny shipping companies won't be able to go bankrupt and avoid liability, as happened after the Lac Megantic fire.

The rich, by not paying taxes, are dragging the whole US economy down.

Getting the Innocent out of the NSA's Shadow Database.

Not Forgotten: Street Art to Remember the Victims of the School of the Americas.