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Climate change and educational attainment in the global tropics 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (18) : 8840-8845
作者:  Randell, Heather;  Gray, Clark
收藏  |  浏览/下载：6/0  |  提交时间：2019/11/27
climate change  education  sustainable development  
Policy distortions, farm size, and the overuse of agricultural chemicals in China 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (27) : 7010-7015
作者:  Wu, Yiyun;  Xi, Xican;  Tang, Xin;  Luo, Deming;  Gu, Baojing;  Lam, Shu Kee;  Vitousek, Peter M.;  Chen, Deli
收藏  |  浏览/下载：9/0  |  提交时间：2019/11/27
crop yield  environmental protection  fertilizer use efficiency  socioeconomic barriers  urbanization