During photosynthesis, a chemical called chlorophyll absorbs the light energy and encourages a reaction between carbon dioxide and water that results in glucose and oxygen. Oxygen is expelled as a waste product from the plant, and it enters the atmosphere.
The EPA was proposed by President Richard Nixon and began operation on December 2, 1970, after Nixon signed an executive order. The order establishing the EPA was ratified by committee hearings in the House and Senate. The agency is led by its Administrator, who is appointed by the president and approved by Congress.
History [edit]. OSHA officially formed on April 28, 1971, the date that the OSH Act became effective. George Guenther was appointed as the agency's first director. OSHA has a number of training, compliance assistance, and health and safety recognition programs throughout its history.ongress established the agency under the Occupational Safety and Health Act, which President Richard M. Nixon signed into law on December 29, 1970.