不唯一
According to the passage, if the global temperatures rise by 3-10 degrees Fahrenheit, it is possible for everything to be under water. To save the earth, some simple measures are mentioned for us to take.
Now we have to recognize global warming as a real threat to mankind. We need to hold back global warming and prepare for its outcome. Otherwise, the collapse of the human civilization is almost certain, and the human race is at risk of becoming extinct.
Everyone should start out small, adopting a responsible lifestyle, which can bring an important help to the protection of the earth. It’s the only reasonable way to save the planet., before it is too late.
So something must be done to benefit our environment I’ll use a clothesline instead of a dryer to save energy when drying my clothes. Fresh foods are my favour instead of frozen ones, because frozen foods consume ten times more energy to produce.
In a word, we should do our best to hold back global warming and protect the environment