вЂAnd the population explosion has triggered massive new construction projects, from roads to slash-and-burn agriculture and urban development.вЂ™.

вЂPrior to the Viet Nam Conflict, the Hmong people were a patrilineal, patrilocal, and polygynous people practicing slash-and-burn agriculture in the mountains.вЂ™.

вЂIt also leads to environmental destruction, mainly in the form of deforestation caused by slash-and-burn agriculture, which can only be sustainable at very low population density.вЂ™.

вЂThreats to this zone include increasing human population, which implies the expansion of slash-and-burn agriculture, intensive mining activities, and unmanaged fires.вЂ™.

вЂThey follow a slash-and-burn method of clearing the soil and use the hoe for cultivation.вЂ™.

вЂThe environment is threatened by slash-and-burn agriculture and the cutting of forests.вЂ™.

вЂThe vast environmental effects of slash-and-burn agriculture and the efficient utilization of forest resources have furthermore been popular research topics on both sides of the Atlantic.вЂ™.

вЂI have flown over the rainforests of the Amazon and Indonesia and witnessed destruction by illegal logging and slash-and-burn farming, which has wiped out two-thirds of some rainforest areas.вЂ™.вЂRampant trapping and slash-and-burn farming of their habitat had driven them deep into the forest.вЂ™.вЂTheir tradition of slash-and-burn farming demanded that they leave behind used-up corn-fields every three years to clear new patches of forest.вЂ™.вЂWhile many of its Central American neighbors were clearing forests to make way for slash-and-burn agriculture, Belize has been making far more money keeping the trees in place.вЂ™.вЂFurthermore, the slash-and-burn method of land clearance is better for soil properties, both physical and chemical, than mechanical clearance.вЂ™.вЂFor most of human history this has involved sustainable methods of land use such as small-scale slash-and-burn farming.вЂ™.

Slash and burn