A major conference that focuses on human-environment relationships and aims to promote sustainable development via inter-governmental action.
www.earthsummit2012.org Website of Earth Summit 2012.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。