Global Population Growth: Can the planet support another 4 billion people?

The world's population, now about 7.2 billion people, could rise to nearly 11 billion or more by 2100, according to some estimates, with nearly all the growth in developing countries. Agricultural specialists worry about how the planet would feed 4 billion more people, and environmentalists say humans already are consuming natural resources at unsustainable rates. Expanding populations also create social pressure, especially in fast-growing nations that cannot generate enough jobs for their citizens. In some regions, notably sub-Saharan Africa, population growth is slowing progress toward key development goals, such as expanding education and improving maternal and child health. To address these challenges, wealthy donors are stepping up efforts to provide family planning to all who want it, and many advocates are calling for greater focus on women's rights, including the right to decide whether and when to have children. But the Catholic Church and other conservative groups say global population policy is too focused on birth control and instead should emphasize valuing and protecting life and raising people out of poverty. [ABSTRACT FROM AUTHOR]

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