The global rush to energy crops threatens to bring food shortages and increase poverty , according to a un study . while oil prices may stabilise , small farmers will be at risk 一项联合国研究表明，全球范围对能源作物的疯狂追逐可能造成食品短缺和贫困人口增加。随着油价的稳定，小型农场主将面临风险。
Over the last five years , china ' s illiterate population grew by 30 million , the china daily newspaper reported . according to census data , 87 million adults in china were illiterate in 2000 据中国日报报道，在过去的五年里，中国的文盲人口增加了三千万。调查显示， 2000年中国成年人中有八千七百万是文盲。
In the poorest countries , massive efforts are needs to keep social and economic conditions from deteriorating further ; any real advances in well - being and the quality of life are negated by further population growth 在最贫穷的国家，需要花大力气来防止其社会和经济状况进一步恶化，而生活水平和质量的真正提高也被进一步的人口增加所抵消。
The resource of land is scarce and the plow land per person is less than one mou . with the development of economy , the increase of population and the growth of urbanization , the need for land is more and more great 我国人多地少，土地资源十分紧缺，人均耕地不足一亩，随着经济发展、人口增加及城市化进程的加快，对土地的需求越来越大。
The pyramid was built by the ancient teotihuacan culture , whose people built a vast citadel consisting of two large pyramids dedicated to sun and moon deities about 30 miles north - east of the mexican capital 不过，因为人口增加，使得当地人在金字塔所在的位置周遭盖了许多不规则的建物；在那儿，房子的地基往往就打在金字塔范围内的寺庙结构上。
Nowadays , the increment of population and industrialization has lead to the environment aggravation and resources shortage . therefore , the information project about resource and environment has acquired more and more attentions 当今社会由于人口增加和工业化而导致了环境恶化和资源短缺，所以资源、环境方面的信息工程越来越受到社会的普遍关注。
Before industrialization , the main function of agriculture was producing food to meet the increasing demand of food . the development of agricultural economy was limited by lack of resources and technological lag - behind 在工业化前期，农业的主要功能是生产粮食，满足不断增长的对温饱的需要，农业经济发展受到人口增加、资源的稀缺和技术停滞的限制。
Under the pressures of population increase , arable land decrease , water shortage , planting area reduction of three major grain crops ( rice , wheat and maize ) in recent years , there is a potential crisis in food security in china 摘要在人口增加、耕地面积减少、水资源缺乏以及水稻、小麦和玉米三大粮食作物种植面积下降等因素的影响下，中国食物安全存在着潜在的危机。
