为解决这一问题，一项较为保守的计划要求在未来50年内减少250亿吨碳排放。
One of the more conservative plans for addressing the problem calls for a reduction of 25 billion tons of carbon emissions over the next 50 years.
2005年，政府开始了一项土壤测试项目，为农民提供具体的肥料建议。中国农业部发现，从2005年到2011年，化肥使用量下降了770万吨。
The Chinese Ministry of Agriculture finds that between 2005—when the government started a soil-testing program that gives specific fertilizer recommendations to farmers—and 2011, fertilizer use dropped by 7.7 million tons.
这一项目开始寻找方法处理每年整个欧洲被丢弃在垃圾填埋场的旧轮胎，其数量达325 000公吨。
The project was started as a way of dealing with the 325,000 tonnes of tyres sent to landfills across Europe each year.
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