On April 4, the United Nations (U.N.) gave a news report. Climate scientists say countries must use less or even stop using coal and oil, because they make much air pollution. And the pollution causes worse global warming(全球变暖). Then there come more dangers of global warming, such as droughts (no rain), forest fires, and ecosystem loss(生态系统破坏).
António Guterres is the U.N. Secretary-General. He says the planet is facing the very serious environmental problem. In 2015, world governments promised to cut emissions(排放). This was to keep global warming to just below 3°F. But many countries have not met their goal. Soon, it will be much harder to keep global warming under control.
▲ The report says the technology for renewable energy (可再生能源), such as solar and wind power (太阳能和风能), is becoming better and cheaper. Experts say rich countries could help poor countries move toward clean energy.
James Skea helped lead the group that did the report. He said the scientists are sending a message: “Human activities got us into this problem, and human action can actually get us out of it again.”
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