Coal takes millions of years to develop, and is derived from ancient plant matter that has been subjected to intense heat and pressure that affected physical and chemical alterations. The process through which coal forms from ancient plants is known as coalification.
Occurred in Prince William Sound, Alaska, on March 24, 1989, a oil tanker bound for Long Beach, California, hit Prince William Sound's Bligh Reef and spilled about 10.8 million US gallons of crude oil. It is considered to be one of the most devastating human-caused environmental disasters ever to occur in history.
Its a massive ongoing oil spill in the Gulf of Mexico, now considered the largest offshore spill in U.S. history. The spill stems from a sea floor oil gusher that started with an oil well blowout on April 20, 2010. The blowout caused a explosion on the Deepwater Horizon offshore oil drilling platform that was southeast of the Louisiana coast in the Macondo Prospect oil field. The explosion killed 11 platform workers and injured 17 others.