They are losing their living areas because people cut down forests.

由于人们砍伐森林，它们正在失去栖息地。

youdao

Wolves are in danger because people cut down forests.

因为人们砍伐森林，狼正处于危险中。

youdao

If people cut down forests, many trees and other plants will disappear forever.

如果人们砍伐森林，很多树和其它植物将会永远消失。

youdao

In the nineteen fifties, forests were cut down for wood and other products.

VOA: special.2010.04.13

For example, why do poor humans in places like Africa and Latin America cut down forests?

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Even as people gasp for air in Moscow, Russia's authorities have begun to cut down the forests that surround the city, ostensibly to make space for a badly needed road from Moscow to St Petersburg.

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But one-fifth of all greenhouse gases comes from forests that are cut down and burned to make way for crops or pasture.

NPR: Paying Developing Countries Not to Burn Forests