EOLSS - HTE's Manuscript Clearance Form I have studied and scrutinized the contents of the Final version of the contribution detailed below. Names and affiliations of reviewers if any: 1. Alex de Sherbinin (adesherbinin@ciesin.columbia.edu) 2. Zeng Yi Hierarchical number of the contribution: Contribution title: Author(s): Population, Natural Resource and Environment Haydea Izazola My observations and recommendations are indicated by YES in the following: All conditions of the Checklist for Authors are satisfied The contribution is comprehensive The presentation is clear The information is factually correct The contribution meets the standards required for the EOLSS I / We recommend that the above mentioned contribution, in this Final form, be copy edited and included in the EOLSS Name(s) of the HTE(s): Theme number and title: Date: Yes Yes Yes Yes Yes Yes Zeng Yi Demography (6.147) 8/30/08 Comments, if any, on this manuscript for the attention of the Secretariat: Dear Dr. Kotchetkov and Ms. Hong, I am sending you the revised version of this chapter and my HTE Clearance form. Please go ahead to arrange the final publication for this chapter, and contact with the author(s) directly for issues of final formatting and/or other logistics. Once you publish this chapter in UNESCO-EOLSS system, please let the author(s) and me know right way. Thanks! Zeng Yi, Honorary Theme Editor, Professor of Center for Study of Aging and Human Development, Medical School of Duke University, and Professor of China Center for Economic Research, Peking University