Director / Editor: Victor Teboul, Ph.D.

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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

How California’s war on smog and its ambitious car pollution rules made everyone’s air cleaner

By Ann E. Carlson, Professor of Environmental Law, University of California, Los Angeles

The Clean Air Act gave California the authority to issue tough pollution standards for vehicles, spurring the development of the catalytic converter and cleaning up America’s air.

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