Forests have disappeared, river courses have been changed, and large areas of natural vegetation have turned into farmland and cities.

森林已经消失，河流领域已经变动，大面积的野生植物也被变成了努天和城市。

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Forests have disappeared, river courses have been changed, and large areas of natural vegetation have turned into farmland and cities.

森林消失，河流改道，大片大片草木自然生长的地方变成了农场和城市。

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The Scottish Highlands were once the site of extensive forests, but these forests have mostly disappeared and been replaced by peat bogs.

苏格兰高地曾经是大片森林的所在地，但这些森林大部分已经消失，取而代之的是泥炭沼泽。

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There are about 600 pandas left in the wild: more than half the bamboo forests where they live have disappeared in the last 30 years.

BBC: NEWS | Science/Nature | UN alert on threat to wild bamboo

Three quarters of the world's forests have been cleared, degraded or fragmented due to human activity, while a third have disappeared altogether, according to IUCN.

CNN: Forests size of Russia 'could be restored'

In other pictures, forests have flourished on formerly barren moraines, and glaciers that grew for hundreds of thousands of years have disappeared like smoke.

WSJ: Photographic Balancing Acts | Swiss Alpine Museum | He Cut a Fresh Path in Mountain Photography | By Michael J. Ybarra