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How rich countries cause deforestation in poor ones
Forests are crucial to the functioning of the Earth. They provide homes for plants and animals, absorb rainfall, produce oxygen and suck up carbon dioxide, helping to keep global temperatures in check. Environmentalists are increasingly worried about their loss. Ten thousand years ago, more than half of the world’s habitable land was covered in trees; since then one third have been cut down to make way for agriculture and an ever-growing number of humans. Efforts to reverse this trend, including tree-planting programmes in America, Europe, China and India, among other places, have helped replenish some of what is left of the world’s forests.
But such gains do not tell the whole story. For all their tree-planting efforts at home, rich countries continue to contribute, through their consumption, to the levelling of vast tracts of forests in poor countries. A study, published on March 29th in Nature Ecology & Evolution, reveals the extent and location of the world’s “deforestation footprint”. Keiichiro Kanemoto and Nguyen Tien Hoang, of the Research Institute for Humanity and Nature in Japan, combined data on global forest loss with that on international trade between 2001 and 2015. They calculated that rich-country demand for goods led overwhelmingly to deforestation outside their own borders, and mostly in tropical countries. In G7 countries, for example, the area covered by forests increased every year between 2001 and 2015. But after adjusting for trade, the authors found that these countries contributed to a net loss of 20,000 square kilometers of forest in the rest of the world in 2015 alone.
Internet: <www.economist.com> (adapted).
Based on the text above, judge the following item.
The text claims that over 50% of the world’s habitable land
was covered in trees ten millennia ago.
How rich countries cause deforestation in poor ones
Forests are crucial to the functioning of the Earth. They provide homes for plants and animals, absorb rainfall, produce oxygen and suck up carbon dioxide, helping to keep global temperatures in check. Environmentalists are increasingly worried about their loss. Ten thousand years ago, more than half of the world’s habitable land was covered in trees; since then one third have been cut down to make way for agriculture and an ever-growing number of humans. Efforts to reverse this trend, including tree-planting programmes in America, Europe, China and India, among other places, have helped replenish some of what is left of the world’s forests.
But such gains do not tell the whole story. For all their tree-planting efforts at home, rich countries continue to contribute, through their consumption, to the levelling of vast tracts of forests in poor countries. A study, published on March 29th in Nature Ecology & Evolution, reveals the extent and location of the world’s “deforestation footprint”. Keiichiro Kanemoto and Nguyen Tien Hoang, of the Research Institute for Humanity and Nature in Japan, combined data on global forest loss with that on international trade between 2001 and 2015. They calculated that rich-country demand for goods led overwhelmingly to deforestation outside their own borders, and mostly in tropical countries. In G7 countries, for example, the area covered by forests increased every year between 2001 and 2015. But after adjusting for trade, the authors found that these countries contributed to a net loss of 20,000 square kilometers of forest in the rest of the world in 2015 alone.
Internet: <www.economist.com> (adapted).
Based on the text above, judge the following item.
Two reasons why forests are crucial to the functioning of the
Earth are the production of carbon dioxide and the
absorption of rainfall.
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