The more important goal is using interactive learning to discover the cause of the decline and compare it to issues we face today—natural disasters, environmental problems, and war.
更重要的目标是利用互动式学习来发现减少的原因，并将其与我们今天面临的问题——自然灾害、环境问题和战争——进行比较。
I concluded that the profit from burgers is more than offset by the damage they cause in health problems and environmental harm.
我得出的结论是，汉堡对身体健康和环保事业所造成的危害超过了它所带来的利润。
Since the current world food shortage is trend-driven, the environmental trends that cause it must be reversed.
由于当前世界粮食短缺是环境趋势导致的，因此必须扭转这一趋势。
The bank has done this even though its advisors say the dam will cause hardship for the powerless and environmental destruction.
尽管世界银行的顾问说大坝会给弱势群体带来困难，破坏环境，但世界银行还是这样做了。
They cause the environmental pollution for Qomolangma.
他们造成了珠穆朗玛峰的环境污染。
And we have an environmental problem, because all these power plants and all the industries cause pollution.
而且我们有环境问题，因为所有这些发电厂和，工业会造成污染。
This would be a great advantage because, as most scientists agree, burning fossil fuels is the main cause of environmental problems such as acid rain and global warming.
诚如大多数科学家所言，利用好太阳能相当有益，燃烧化石燃料是导致酸雨和全球变暖等环境问题的首要因素。
And when old TVs and computers end up in landfills, the toxic metals and flame retardants they contain can cause environmental problems.
当旧电视和旧电脑最终被扔到垃圾填埋场时，其中含有的有毒金属和阻燃剂可能会造成环境问题。
The achievements of the past were possible because ordinary Americans demanded them, and meeting today’s environmental challenges will require a new generation to carry on Earth Day’s cause.
过去的成就之所以成为可能，是因为符合美国普通百姓的要求。 应对今天的环境挑战将要求新的一代继承地球日的事业。
Public health systems must also respond to changing disease patterns resulting from climate change and environmental factors, which may cause the wider spread or resurgence of some diseases.
气候变化和环境因素会使疾病模式发生改变，可使某些疾病再次出现或者使传播范围扩大，公共卫生系统还必须应对这种改变。
Ultraviolet (UV) rays emitted by the sun are the leading environmental cause of skin complaints, premature ageing, sun burn and even skin cancer.
太阳放射出的紫外线是引起皮肤过早老化、皮肤晒伤甚至皮肤癌等问题的主要环境因素。
Market-based policies, such as taxes and fees for natural resource use, should cause producers to internalise the costs of environmental damages.
类似对自然资源使用征税这种基于市场的政策应该着力于推动生产者将环境破坏带来的代价控制在最初。
The reigning theory is the same as it is for so many syndromes with no known cause: some people are born with genes that make them highly vulnerable to environmental stimuli.
主流理论的解释跟所有不明原因的综合症一样：“有些人天生的基因使他们难以抵御环境刺激。”
A study has shown that compounds found in the fruit protect cells from the ultraviolet radiation emitted by the sun - the leading environmental cause of skin cancer.
一项研究表明，在葡萄中发现的化合物能保护皮肤细胞，防止太阳紫外线的辐射，而紫外线正是诱发皮肤癌的首要环境因素。
The real danger would come from an object more than a kilometer in diameter, which could kick up enough sediment to cause environmental damage and crop failures worldwide.
真正的危险来自于直径超过1公里的天体，它会造成大量的沉积物，来破坏环境以及导致全球粮食歉收。
But their indirect environmental "bads" -competition with food crops, the need to clear virgin land to grow them, and the energy costs of processing them-all cause anguish.
但它们的间接影响：与粮食作物的竞争，额外开垦荒地种植的需要，还有在提炼过程中的消耗能源——所有都会造成影响。
But the scheme is only a temporary fix, and is just the sort of grandiose engineering project that tends to cause environmental problems of its own.
但是该计划只是个临时解决办法，而且正是那种其本身就可能导致环境问题的华而不实的工程。
Those fixes could slow environmental degradation but might not solve the underlying cause.
这些补救措施可能能够减慢环境的恶化，但是可能解决不了根本问题。
However, the project had been highly controversial, largely because of the environmental damage it would cause and the thousands of people who would have needed to be displaced to build the dam.
然而，该工程备受争议，很大程度上是由于它将引起的环境破坏以及为了建设大坝而需搬离的数千民众。
The mineral makeup forms a breathable barrier that actually protects the skin from environmental pollutants that can cause free radical damage.
矿物化妆品可以隔绝伤害你皮肤的自由基和外界的污染，而同时又能让你肌肤自由的呼吸。
The Environmental Protection Agency (EPA) insists that "most people's fish consumption does not cause a health concern.
环保署（EPA）坚决表明“大部分人消费的鱼类不会对健康带来危害。”
Another cause of death is that plastics cause "intestinal blockage and starvation," the environmental group said.
该环保组织表示，鱼类死亡的另一个原因是塑料造成肠道堵塞和饥饿。
For some of us, environmental triggers are the main cause of panic.
对于某些人来说，环境因素可能是引起恐慌的主要原因。
Economy and environment are linked by material and energy flow, while the imbalance of the flow is the key cause inducing environmental problems.
经济系统和自然环境通过物质与能量流动相互联系，而物质流与能量流的失衡是环境问题产生的关键原因。
Not only does the large amount of gangues take up much land including farmland, but also cause environmental pollution to different degrees.
这些煤矸石不仅占用了大量土地和农田，而且也造成了不同程度的环境污染。
Not only does the large amount of gangues take up much land including farmland, but also cause environmental pollution to different degrees.
这些煤矸石不仅占用了大量土地和农田，而且也造成了不同程度的环境污染。
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