A 20-year action plan for cutting the rate of world population growth is expected to win wide approval today in Cairo.

一项旨在降低世界人口增长率的20年行动计划今天在开罗有望获得广泛认可。

youdao

Also disputed is whether projected world population growth to more than 10 billion people by the year 2100 will result in a doubling or tripling of atmospheric concentrations of carbon dioxide.

另一个争议是关于世界计划人口到2100年突破100亿是否会使大气中二氧化碳含量增加一倍到两倍？

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This allowed real per capita incomes to rise by almost 40 percent even though world population grew by roughly 1.6 percent a year during the same period.

这使得实际人均收入上升了近40%，而同期世界人口增长只有约1.6%。

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That is twelve percent more than last year, and equal to two-thirds of the world's population.

VOA: special.2009.11.02

Some economists say prices for rice, the staple food for much of the world's population, could be returning to levels that sparked inflation fears in much of Asia last year.

VOA: standard.2009.12.17

This year world population will exceed 7 billion persons.

FORBES: Japan Association of Corporate Executives' "Vision for Japan 2020"

Global economic growth, combined with a booming world population (passing 7 billion last year), has put unprecedented stress on fragile ecosystems.

UNESCO: Social and Human Sciences

Clare Short has warned that two-thirds of the World's population could be suffering water shortages by the year 2025 if current standards are allowed to continue.

BBC: Special Report