The Keystone 1 pipeline suffers from dangerous corrosion after just two years of carrying tar sands oil.

That's not coincidence. Tar sands oil is very corrosive. Spills are a certainty. The Keystone XL would spill oil too.

Greenpeace said that experts agree fracking won't cut energy prices. The UK government said this was a false claim because the prime minister says that it will.

He is no expert on this; his field of expertise is serving plutocrats, not energy prices.

The question is a distraction anyway, since short-term savings in costs could not justify fracking.

The USDA is accused of harassing its own scientists whose research is inconvenient for agribusiness. Specifically, they have found danger in pesticides or GMOs.

Arctic ice is melting faster than expected, and the winter peak was the smallest ever observed.

The heating of the Arctic Ocean endangers arctic cod, seals, and polar bears. Worst of all, the loss of ice speeds global heating, since liquid water absorbs sunlight that would have reflected from the ice.

A toxic fracking chemical has appeared in Pennsylvania drinking water.