Environmentalists estimated CO2 emissions of 65,000 tonnes, the equivalent of leaving a standard 100 watt lightbulb on for 159,000 years, albeit considerably more entertaining.

Environmentalists Critical The Environmental Defense Fund, a national environmental group based in New York, estimated today that 33 million acres, a third of the total wetlands across the country, would lose protection under the policy.

Environmentalists estimate that abandoning alcohol and switching to gasohol (a mixture of 80 per cent petrol and 20 per cent alcohol) would boost carbon monoxide emissions by more than one-third.

Environmentalists will estimate the adverse effects of automotive air pollution at somehat higher levels than refiners of crude oil and manufacturers of oil-burning vehicles will.

Environmentalists estimate the total number of Kemp's ridleys at not more than 10,000, including less than 600 nesting females.

Environmentalists estimate that an area of ocean the size of Ohio is swept by high seas fleets each night, and the nets catch virtually everything down to a depth of 30 feet.

Environmentalists estimate that a quarter of a tonne of plutonium has been deposited in the area from two million gallons of radioactive effluents that have poured out from Sellafield.

Environmentalists estimated that the area within a thirty-kilometer radius of the plant was rendered uninhabitable by that release.

Environmentalists, he said, have estimated that nutrias destroy thousands of acres of marshland every year by gnawing at the roots of plants, including trees, and leaving them to wither and die.

Environmentalists estimate that such a change will eliminate the financial liability of polluters at about 80 percent of the sites on the Federal Superfund list.