Given the costs and inconvenience associated with recycling, and the fact that reuse only delays the plastic entering the environment, the most sensible option is to cut down on the number of plastic bags that you use, or stop using them altogether.

　　There are a range of alternatives to plastic bags

　　The seriousness of any of these problems will depend largely on the length and severity of the war, and on how quickly aid agencies can get in afterwards.

　　Rather than fight through the courts park by park, reserve by reserve, theGovernment has opted to negotiate with them.
　Faced with those perennial challenges renewables like solar

　　power are becoming more viable options, particularly in smaller, more remote communties.

　　坏的影响

　　A rise in interest rates would severely retard economic growth.(延缓)

　　High winds have hindered firefighters in their efforts to put out the blaze（阻）

　　irreversible destruction of rainforests

　　Storms hampered the American-led advance on the city, bringing some convoys to a standstill(to prevent someone doing something easily)

　　They were warned of the ecological catastrophe to come( sudden event that causes very great trouble or destruction)

　　The emigration of scientists is a catastrophe for the country(a bad situation)

　　The approaching cyclone could exact a huge toll（cause a lot of damage; cause many deaths:）

　　Flash floods cause havoc in Thai capital

　　The last few months have seen the progressive meltdown of the country's political system.( complete failure, especially in financial matters)

　　Fighting and shortages have brought normal life to a virtual standstill in the city(a condition in which all movement or activity has stopped)

　　spell a diseaster

　　cheating generates numerous unfavorable results

　　What concerns many people is that the long term effects of consuming such foods cannot be predicted

　　Once let loose into the environment, plastic bags can cause considerable harm, blocking drains and suffocating wildlife mistaking the bag for food.

　　Plastic shopping bags have a surprisingly significant environmental impact for something so seemingly innocuous

　　As well as being an eyesore (next time you are outside, have a look around - you'll be amazed at the number of plastic bags littering our streets and waterways), plastic shopping bags kill large numbers of wildlife each year.『句型 as well as +ing ,』

　　China's success at building bikes has undermined production of two-wheeled vehicles everywhere

　　But away from the orderly plantings and the managed olive groves, there's apotentially disastrous downside. In the foothills, some are calling it and environmental calamity.

　　影响程度

　　The fire caused considerable damage to the church.

　　She's been a tremendous (= very great) help to me over the last few months

　　The radiation leak has had a disastrous effect on/upon the environment.

　　near historically unprecedented levels