Clearing bush by itself won't help much if changes in climate are largely responsible for increasingly severe forest fires.
如果气候变化才是森林火灾日益严重的主要原因,那么清除灌木丛本身是没有多大帮助的。
Changes in climate may lead to flooding of the coastal areas.
气候的变化会导致该地沿海地区的洪水泛滥。
But no humans had yet set foot in the Americas, and it needed major changes in climate before they could.
然后仍旧没有任何人类踏足到美洲的土地上,事实上只有到气候产生了重要变化之后,这种时机才能成熟。
This week, we will tell about a study linking activity on the sun to changes in Earth's climate.
VOA: special.2009.09.29
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
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