The major environmental problems of the region are soil erosion, desertification and the degradation of vegetation, which make the region a sensitive area on the evaluation of ecological environment.

本区存在的主要环境问题主要为水土流失，土地沙化和植被退化，在生态环境敏感性评价上属较敏感区域。

youdao

Although the most prevalent environmental debate centered on potential pipeline leaks that might endanger the sensitive Ogallala aquifer area in Nebraska and other states along the route, it is clear that a primary opposition goal for many is not to simply to reroute the pipeline, but rather to discourage and handicap oil use altogether.

FORBES: Obama's Keystone Rejection May Provide A Buffett Bonanza

We understand the concern -- the concern about fisheries area, the concern about other commercial activities that happen near sensitive environmental areas are involved.

WHITEHOUSE: Press Briefing on Oil Spill in Gulf of Mexico