The problem is that while clear-cutting sections of rain forest and burning out all the underbrush makes great soil for pastureland, it only does so for about three years.

CNN: The death of Z�� Cl��udio and Maria

Forest fires burning in Canada's Northwest Territories in 1995 contributed to high levels of carbon monoxide more than 2, 000 miles away in the eastern United States, according to a study in today's issue of Science.

CNN: Canadian forest fires add to U.S. pollution

The Lake Yellowstone Hotel overlooks a vast and placid body of moonlit water, its distant east shore smudged with the glow of a long-burning forest fire.

BBC: The king of US national parks

All this in addition poaching, illegal burning of forest, illegal trafficking in wildlife, and so on.

FORBES: Japan's Unknown Ecological Tragedy

Indonesia has laws designed to stop the burning of forest land, and supposedly imposes draconian penalties for damaging the environment.

ECONOMIST: The smoke in Asia��s eyes

Nobody accuses loggers of deliberately burning primary rain forest.

ECONOMIST: When the smoke clears in Asia

Forest debris used to be got rid of by burning in cooler months, but conservationists objected.

ECONOMIST: Arson suspected

For centuries, the forest dwellers of Sumatra and Borneo have been slashing and burning to clear land to grow crops.

ECONOMIST: Will the neighbours ever dare to penalise the polluters?

During the unprecedented manhunt that went as far as Tijuana, Mexico, the search for Dorner turned to Big Bear after his burning truck was found deserted on a local forest road.

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In Wyoming, more experienced fire managers and crews took over the fight against a wildfire burning in a rough, mountainous area of the Medicine Bow National Forest.

MSN: Nuns, Boy Scouts among new wildfire evacuees