March 31, 2015. Some TV networks offer blind captioning on surround sound shows to help those with impaired vision. This involves mixing the soundtrack with audio narration and vocal descriptions of the on-screen action so the blind can experience the program.
The federal Environmental Protection Agency (EPA) was created on December 2, 1970, by executive order of President Richard Nixon to permit coordinated and effective government action on behalf of the environment..
In order to compel people to do so, in 1970, Congress created the Environmental Protection Agency to help protect our shared planet.They also created a number of different environmental protection policies and regulations. In 1970, Congress passed the Clean Air Act Extension, which was followed by the Clean Air Act Amendments in â77 and â90. 2  These updated clean air acts gave greater control to the Environmental Protection Agency, and addressed acid rain, ozone depletion, toxic air pollution and emissions trading.