<Tr> <Th> Long title </Th> <Td> An Act to improve, strengthen, and accelerate programs for the prevention and abatement of air pollution . </Td> </Tr> <Tr> <Th> Acronyms (colloquial) </Th> <Td> CAA </Td> </Tr> <Tr> <Th> Nicknames </Th> <Td> Clean Air Act of 1963 </Td> </Tr> <Tr> <Th> Enacted by </Th> <Td> the 88th United States Congress </Td> </Tr>

Who makes the rules on atmospheric pollution in the united states