Fracking

Fracking

Classroom Activity Page: Hydraulic fracturing, or fracking, is a high-pressure technique for cracking rocks and More »

Fracking fracas

Fracking fracas

A high-pressure rock-buster caused natural gas production to explode. How does fracking work? What’s up with groundwater pollution? More »

Testing seafood in the Gulf

Testing seafood in the Gulf

Fish contamination was rare after the giant oil spill in the Gulf of Mexico in 2010, with levels of dangerous hydrocarbons well below More »

Tar sands = Clean oil?

Tar sands = Clean oil?

Canada’s oil-drenched sands are the second-largest oil reserves, but they pollute air and water, destroy forests and boost warming. A More »

Oil Spills Again

Oil Spills Again

What was the long-term impact of the Exxon Valdez spill in Alaska? Did the cleanup help, or make matters worse? Who are you going to More »

Oil Spill: New Concern

Marine iguana in the Galapagos islands are suffering from trace amounts of oil left by a tanker accident. More »