The latest reports suggest that the forest elephant population is collapsing on the back of rising Chinese demand for ivory.

最新的一些报告指出，随着中国对象牙需求的增长，森林象群的数量也在不断减少。

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It will also be offset by an increase in forest dieback elsewhere, caused by rising aridity, drought, pests and fires-all symptoms of global warming.

而且其他地区由于全球变暖导致的干旱、虫害和火灾造成的森林退化也令人担忧。

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The French came here early, and Madagascar's first church, built in 1837, still stands, its red bell tower rising out of the leafy forest.

法国人很早就来到这里，马达加斯加的第一个教堂建于1837年，至今仍完好，红色的钟塔树立在丛里之中。

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The trail passes through the Black Forest, rising 700m in elevation along mountain paths lined with wild garlic, and eventually presents views of the distant Glarner Alps.

BBC: Switzerland by public transport

Huge tracts of forest disappeared under the plough to provide crops for a relentlessly rising population.

ECONOMIST: Medieval history