Pollution,drought and erratic weather patterns caused by climate change have already decimated much of Yemen's farmlands.

VOA: standard.2010.04.01

We have modern patterns of climate, vegetation and fauna, so the climate conditions were somewhat similar to today.

那时有现在的气候模式,植被和动物群,因此气候条件在某种程度上和现在差不多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

A Royal Society research team member, Jules Pretty, says the team took into account a number of changes that are expected in coming decades, such as climate change, massive rises in world population, and new consumption patterns.

VOA: standard.2009.10.21