Many wild animals face common threats. For example, loss of habitat threatens the tiger, butterfly, and hundreds of other animals. Over fishing threatens whales and many fish species. Chemical poisoning is responsible for declines in animal populations. In many cases there are solutions to these threats. Here is a brief list of common problems and solutions.
Problems: poisoning from chemicals, loss of habitat, environmental pollution, warming of climate, accidents with vehicles and ships, noise pollution, over fishing, overgrazing, off-road vehicles, loss of food source
Solutions: bans on harmful chemicals ; captive breeding programs; ecotourism to promote people's awareness of living animals; controls on noise pollution, limits on over fishing and over hunting; limits on exotic pet collecting; protection of habitats from overdevelopment and misuse, protection of food supplies, creation of reserves
1. 提出问题：Nowadays, we have to face a problem that 问题。（Nowadays , more and more people are concerned about the problem 问题。）
2. 分析问题：The change/ phenomenon is attributable / due/ ascribable to…
3. 解决办法：People have figured out many ways to solve the problem.（Confronted with 问题，we should take a series of effective measures to cope with the situation.）