Why deforestation matters—and what we can do to stop it
2022年12月7日 · Climate 101: Deforestation Forests cover about 30 percent of the planet's land mass, but humans are cutting them down, clearing these essential habitats on a massive scale. What is...
Deforestation and Forest Loss - Our World in Data
As we saw previously, this deforestation accounts for around one-quarter of global forest loss. 27% of forest loss results from ‘commodity-driven deforestation’ — cutting down forests to grow crops such as soy, palm oil, and cocoa, raising livestock on pasture, and mining operations.
Deforestation - Wikipedia
Between 2000 and 2012, 2.3 million square kilometres (890,000 square miles) of forests around the world were cut down. [19] Deforestation and forest degradation continue to take place at alarming rates, which contributes significantly to the ongoing loss of biodiversity .
Drivers of Deforestation - Our World in Data
Cutting down forests: what are the drivers of deforestation? Every year, the world loses around 5 million hectares of forest. 95% of this occurs in the tropics. At least three-quarters of this is driven by agriculture – clearing forests to grow crops, raise livestock, and …
Deforestation and Forest Degradation | Threats | WWF - World …
2018年12月4日 · Cutting through the Amazon forest, it’s ushered in a new era of social upheaval and environmental destruction. A forest in Sumatra, Indonesia, is clear-cut to make way for an oil palm plantation. Deforestation can happen quickly, such as when a fire sweeps through the landscape or the forest is clear-cut to make way for an oil palm plantation.
Deforestation: Facts, causes & effects | Live Science
2023年4月28日 · Deforestation is the permanent removal of trees from a forest. Deforestation can include clearing the land for farming or livestock, or using the timber for fuel, construction or manufacturing....
Can we achieve a Global Forest Transition in our lifetime?
2022年4月20日 · By far, the most important driver of the destruction of forests is agriculture. Humanity cuts down forests primarily to make space for fields to grow crops and pastures to raise livestock. We also cut down forests to make space for settlements or mining, but these are small in comparison to farming.
Clear-cutting | Definition, Effects, Arguments For, & Facts
clear-cutting, the practice of cutting down most or all of the trees in a forest or a section of forest at the same time, usually in a uniform way. Clear-cutting is done to clear land for agriculture or ranching or simply to provide timber and other wood products.
Deforestation - Education | National Geographic Society
2024年11月13日 · In North America, about half of the forests in the eastern part of the continent were cut down from the 1600s to the 1870s for timber and agriculture. China has lost great expanses of its forests over the past 4,000 years and now just over 20 percent of it is forested. Much of Earth’s farmland was once forests.
Tropical Deforestation and Global Warming - Union of Concerned Scientists
2008年7月27日 · When forests are cut down, much of that stored carbon is released into the atmosphere again as carbon dioxide (CO 2). This is how deforestation and forest degradation contribute to global warming. The consensus among climate scientists is that CO 2 from tropical deforestation now makes up less than 10 percent of global warming pollution. This ...