A federal Court gave its final approval of the Tennessee Valley Authority (TVA) pollution control settlement June 30. Under the major agreement, TVA will invest between $3 billion and $5 billion on new air pollution controls and retire one-third of its coal generating power. The settlement resolves alleged violations of Clean Air Act Provisions at 11 of TVA’s coal-fired power plants in Alabama, Kentucky, and Tennessee. At least 18 of TVA’s 59 coal-fired power plants will have to shut down and new emissions control equipment must be installed on all of the remaining plants.