科学家称人类开始对全球水系统造成重大破坏，一个新的地质时期由此开始了。
Scientists say a new geologic epoch has begun whereby humans are causing major damage to global water systems.
这个房子没有排水系统、卫星天线和窗户，安特刘建造这个房间是对全球经济危机的讽刺。
And the house was stripped of guttering, satellite dishes and Windows and it is an ironic statement on the global financial crisis.
最近，斯坦福大学根据其对全球变暖、环境污染、供水系统、土地利用、野生生物及其他关注点的深入研究，发布了一份2009报告，对能源系统进行了排名。
Most recently, a 2009 Stanford University study ranked energy systems according to their impacts on global warming, pollution, water supply, land use, wildlife and other concerns.
一种能够让多种细菌对抗生素产生耐药性的基因正在新德里的供水系统里广泛传播，并引发了全球的担忧。
A gene that causes a wide range of bacteria to become resistant to antibiotics has been found in the water supply in Delhi, with worrying implications for the rest of the globe.
但经过一段时间，当全球继续变暖时，在人类所依赖的较少污染的水系统里，病毒也将被激活。
Over time and as global warning continues, viruses will become active in potentially less polluted water systems that humans and farmers alike rely upon.
对全球而言，气候变化对淡水系统负面影响将超过收益；
Globally, the negative impacts of future climate change on freshwater systems are expected to outweigh the benefits.
对全球而言，气候变化对淡水系统负面影响将超过收益；
Globally, the negative impacts of future climate change on freshwater systems are expected to outweigh the benefits.
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