Much like the U.S. Air Force F-16 program yielded greater quantity discounts through competition and earning its way into foreign air forces, the Army leveraged a steadily expanding community of Patriot partners to procure systems more economically while continually enhancing system performance and technology.
Another, which would oppose warming, is a rise in the quantity of sulphate-based aerosols, which encourage cloud formation and thus cool the air by reflecting sunlight back into space.
An integrated-assessment model quantifies the marginal damages of air pollution emissions for the US which are multiplied times the quantity of emissions by industry to compute gross damages.