With one tree able to produce as much as 400 pounds of food a year, using the Maya nut prevents rain forest clear-cutting to harvest other foods and increases populations' food supplies.
"The main objective was to find an alternative income for the local community in the surrounding village and forest, and also relieve the pressure on the forest of people cutting timber, " says project manager Amiri Saidi.
We're also cutting a Forest Service economic development program that strayed so far from any mission that it funded a music festival.
If I proposed something else, like cutting down some forest in the Far East, that would instantly interest them.
He managed to stop the cutting of virgin forest (and the destruction of golden monkey habitat) in Yunnan province.
Having spent years increasing production and acreage, Embrapa is now turning to ways of increasing the intensity of land use and of rotating crops and livestock so as to feed more people without cutting down the forest.
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.
Over the past decade, Brazil has cracked down on clear-cutting, especially in the biodiverse Amazon rain forest, reducing the rate of deforestation by 80%.
Many tributaries running through the forest had dried up due to wide-spread clear-cutting and they said fertilizers were polluting the water.
In 1820, German mathematician Karl Friedrich Gauss proposed cutting an enormous right triangle into the Siberian pine forest, creating a monument to the Pythagorean theorem big enough to see from outer space.
"A part of the forest is given to the farmer, and they are in charge of the planting, cutting, and transporting of this wood, " he says.
But what sparked a backlash was Maxxam's clear-cutting of old-growth sequoias like those in the 7, 000-acre Headwaters forest.
After dark, Rivera takes willing participants back into the forest to look for barn owls, which if not seen, are always heard with their distinctive call cutting a haunting sound through the night air.
Earlier forest blockades, by Greenpeace and others, showed up the logging companies' destructive practices, such as over-cutting, too-large clear-cuts, and damage not only to the forests but to salmon streams.
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