Materials like wood, is one such example. The cost of maintaining annual national carbon dioxide emissions at 1990 levels is estimated to be (How

many per cent?)____ of the gross domestic product for developed

countries. Expenditures to reduce pollution (Where?) in 1993

totalled $109 billion, including $105.4 billion on reduction, $1.9 billion on

regulation, and (How much?)___ on research and development.

Twenty-nine percent of the total cost went toward air pollution, 36 percent to water pollution, and 36 percent to solid waste management.

In addition to its effects on the economy, health, and natural

resources, pollution has (What?). Research has shown that low-

Income populations and minorities do not receive the same protection from environmental contamination as do higher-income communities. Toxic waste incinerators, chemical plants, and solid waste dumps are often

located (Where?)__ because of a lack of organized, informed

Community involvement in municipal decision-making processes.

Student В

Another major effect of pollution is the tremendous cost of pollution cleanup and prevention. The global effort to control emissions of a gas

produced from (What from?)__, or of other organic materials

Like wood, is one such example. The cost of maintaining annual national carbon dioxide emissions at 1990 levels is estimated to be 2 percent of the

gross domestic product for (Which countries?)_______.