presentation about clean air act

I have a presntation about Clean Air Act and I will do it with group, my part is the clean air act in the USA . I want someone to do it for me and write a paragragh about the clean air act in the USA: What are the reasons?, how the government are doing to solve the problem?, whe it started?, what are the solutions? and more about the problem. and do a power point bur I dont need a lot of slides.