"WASHINGTON -- Five years before a train loaded with crude oil derailed and exploded last year in Quebec, killing 47 people, another derailment in Oklahoma should have given federal regulators an early warning that the type of oil both trains carried was more flammable than authorities realized."

After 4 railcars plunged into a creek a year ago near Paulsboro, N.J., spilling vinyl chloride, the effects are still being felt by local residents.

"Hydrogen fuel cars will be offered by Hyundai, Honda, and Toyota, starting as early as next spring. Hydrogen fuel cars cause no air pollution and can be refueled like gasoline-powered cars, but fueling stations are scarce."

"A major rail industry group is calling for updating or phasing out thousands of tank cars used to carry crude oil, as federal officials weigh new regulations on moving hazardous materials by rail."

"HOUSTON -- Over the past two years, environmentalists have chained themselves to the White House fence and otherwise coalesced around stopping the Keystone XL pipeline as their top priority in the fight against global warming. But even if President Obama rejects the pipeline, it might not matter much. Oil companies are already building rail terminals to deliver oil from western Canada to the United States, and even to Asia."

"Nine blackened tankers are scattered around the site. Part of the rail is mangled, warped, and burned black."

"Airlines on Monday urged a UN aviation group to back a mandatory global framework to curb airline emissions, saying failure to reach a deal would revive threats of a trade war."

"There was never doubt that the deadly train derailment in Lac-Mégantic caused an environmental disaster, but a report made public this week by Quebec’s ministry of the environment details the extent of the devastation to the soil, river and lake near the disaster zone."