Many serious environmental problems exist at present.
我国是一个发展中国家，环境工作开展的又比较晚，目前存在着相当严重的环境问题。
参考来源 - 环境问题的经济分析With the development of transport package, the environmental problems brought out become more and more serious.
随着运输包装的发展，造成的环境问题越来越严重。
参考来源 - 基于绿色物流的绿色包装研究 （研究生论文）·2,447,543篇论文数据，部分数据来源于NoteExpress
It never ceases to amaze me how the business world continues to trivialize the world's environmental problems.
工商界继续轻视世界的环境问题，这一直令我感到惊讶。
Today, we still have some environmental problems.
今天，我们仍有一些环境问题。
People are asked to change attitudes towards environmental problems.
要求人们改变对环境问题的态度。
Lake Champlain also has the same kinds of environmental problems, including pollution and nonnative sea life, as the Great Lakes.
VOA: special.2009.01.05
Miz Lisagore says they began to notice how rare it was to find travel writing that recognized environmental problems and solutions.
VOA: special.2009.04.22
The aim was to get people young and old across the United States to act locally in solving environmental problems in their areas.
VOA: special.2010.04.21
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