Mr. Roosevelt's cottage was a bungalow at the top of a pine mountain.

罗斯福的小屋是一座平房，座落在一座长有松树的山的山顶上。

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But as global warming snakes its way into higher altitudes, a less-welcome resident in taking up space in this fragile ecosystem: the mountain pine beetle.

但是随着全球变暖向高海拔地区蔓延，一个不受欢迎的居民进入了这个脆弱的生态环境：山地松树甲虫。

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The mountain pine beetle is one step closer to crossing North America and turning eastern pine forests into the same bleak landscapes that have scarred the Mountain West in recent years.

山松甲虫距离穿越北美大陆又近了一步，同时也使得东部的松林，呈现出与近些年来的西山一样的满目疮痍的凄凉景象。

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" ...on account of the number of pine trees that grow in the gorge of the mountain in which it is situated.

VOA: special.2010.04.26

Much closer to home, the company closed on a sizable purchase in the Pine Mountain-Cloverdale Peak appellation of California's Mendocino County.

WSJ: From Grief to Growth at Jackson Family Wines

He describes how, on days when the winds were right, they would all fly to a place called the Pine Mountain Club and watch people having barbecues.

ECONOMIST: Coping with troublesome young birds

One particular question they plan to address is whether the behaviour and severity of the High Park fire was affected by the spread of mountain pine beetle, a pest that is rapidly overrunning Colorado because its breeding season has been extended by the warming climate.

ECONOMIST: Terrestrial ecology: NEON light | The