That disaster led Congress to pass new measures to prevent oil pollution.

VOA: special.2009.03.02

Halliburton, for example, argues it is immune to all suits under a law passed after the Exxon Valdez disaster--the Oil Pollution Act (OPA).

FORBES: Magazine Article

Assaulted by climate change, massive air pollution, and biologically dead rivers, the cities of the South are becoming environmental disaster areas.

BBC: NEWS | In Depth | Viewpoints: The urban world in 2050

Opponents warn that fracking is an environmental disaster waiting to happen, citing, among other risks, air and water pollution, the release of radiation and cancer-causing substances, and the acceleration of global climate change as methane and other greenhouse gases escape during fracking.

FORBES: Fracking: A Role for Universities