A thinly scattered permanent population and development of leisure activities, particularly skiing, have resulted in significant long-term changes to the local ecosystems.

稀稀落落的常住人口和休闲活动（尤其是滑雪）的发展，导致当地生态系统发生了重大的长期变化。

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This district covers an area of 160 square kilometers, and has a population of 600 thousand, which is the largest district on covering area, population and development potential in Nanchang City.

区域面积160平方公里，总人口60万，是南昌市区域面积最广、人口最多、发展潜力最大的城区。

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There will be 400 million people over 65 by 2040 - a quarter of the population - estimates Chen Wei, an expert at Renmin University's population and Development Research Institute.

陈伟(音译)是人民大学人口与发展研究所的一位专家，他预计，至2040年，将有4亿年龄超过65岁的人口——总人口比例的四分之一。

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In 1994, the International Conference on Population and Development was held in Cairo, and for the first time, the conference report linked unsafe abortions directly to maternal death.

VOA: standard.2010.06.24

With population a key influence on the environment, UNFPA says the 1994 Cairo conference on population and development linked environmental protection to individual decision-making and human rights.

BBC: 'Shortsighted' world lets population swell

Research published in the March issue of the journal Population and Development Review found the more children that parents over age 40 have, the happier they are.

CNN: Does having children make you happy?

Its work led to the first Global Interfaith Network on Population and Development, launched in 2008, with the participation of more than 160 faith-based organizations and religious leaders.

FORBES: UN Population Fund Executive Director on HIV/AIDS, Maternal Health, and Leadership