Major pollutants emitted annually by the corporation include more than 400 thousand pounds of sulfuric acid.

Power plants emit about 48 tons of mercury annually.

The plant was expected to emit about 410,000 tonnes of carbon dioxide annually.

It requires large businesses, defined as those emitting over 250,000 tons of carbon dioxide equivalent annually, to purchase emissions permits.

Each year it increases the world's CO2 emissions by more than the total that Britain emits annually.

It requires businesses emitting over 25,000 tonnes of carbon dioxide equivalent emissions annually to purchase emissions permits.

Since 1987, large manufacturing corporations have been required to report to the Federal Environmental Protection Agency the amount of toxic chemicals they emit into the environment annually.

Russian industrial enterprises emitted about 60 million tonnes of atmospheric pollutants annually; vehicles accounted for a further 20 million.

One government study in the late 1980s determined that nearly 5 million tons of contaminants were emitted annually in the atmosphere, a tenfold increase over the previous decade.

This year's acknowledged that Ford's vehicles and factories annually emit 400 million metric tons of carbon dioxide, adding to global warming.