人们担心,随着全球人口的急剧增长,发展中国家食物不足,燃料、水等天然资源不足,以及环境污染恶化问题,如果不尽快拿出有效对策,21世纪里,深化程度会不断增加,地球上大大小小各种各样的生态系统以及人类社会的不稳定性会不断增加。人们期望对这些全球性问题,尽快地找出切实的解决对策,使这些对策尽快地付诸实施。 People are worried that with the rapid growth of the global population, the lack of food in developing countries, the lack of natural resources such as fuel and water, and the worsening of environmental pollution, the extent of deepening will continue to increase in the 21st century if effective measures are not forthcoming. The diversity of ecosystems and the instability of human society on a large scale will continue to increase. It is hoped that these global issues will be dealt with as soon as possible in order to find effective solutions and put these measures into effect as soon as possible.