What are the metaphorical meanings of oasis?

Desert is a boundless desert in the natural sense. There is a new definition here-scientific and technological pollution. Oasis is the key to getting out of the desert-low carbon.

Have you seen The Day After Tomorrow? The movie is about the end of the world caused by the cold current caused by global warming. When people eagerly look at their homes covered with snow and ice, will we not only be frightened, but also regret: if we don't emit so much carbon dioxide, there will be no end of the world today!

The development of science and technology is the pace of human progress, but the pollution it causes is not in the human curriculum. Actually, pollution can be avoided.

After reading too many pollution reports, I began to realize that low-carbon environmental protection is an extraordinary thing, so I decided to start with me. Usually, I fold the waste paper at home into small boxes, which are used to spit out the nucleus and put the bones when I eat. At the end of each semester, I will tidy up my schoolbags one by one, tear off the white paper from the old exercise book and make a draft book; Call on mom and dad to drive less, walk more and take more public transportation. Nowadays, they also take public transportation such as subway to work, which not only relieves traffic pressure, but also reduces carbon emissions ... kill two birds with one stone. Since the introduction of the "plastic limit order", plastic bags at home have also been replaced with paper bags or environmental protection bags. I don't know when it started. When I accompanied my grandmother to the vegetable market, I found that more and more people were carrying an environmental protection bag, and the plastic bags of those vendors were left out in the cold. Listening to grandma, it's fashionable to buy food with environmental protection bags now, and she also said that I was OUT, which really made me laugh and cry! But this is a good phenomenon.