The world saw rapid population growth over the past 60 years, nearly tripling from 1950 to 2010, reaching about 7 billion. The rate of increase is expected to decline over the next 40 years, though the number is still expected to grow by nearly 3 billion according to a report from Pew Research. That’s more than 2 babies born every second.
World population will approach 10 billion by 2050.
With resources already strained, scientists are concerned about the earth’s capacity to sustain the growing population. Writers atLiveScience.com explain: “All of those people mean a lot of extra mouths to feed, more strain on water supplies, a lot more trash and human waste to put somewhere and an increased threat of a major deadly global pandemic, among other problems.”
These predictions offer many challenges for global leaders to answer in coming years. Rising awareness of the problems associated with population growth may spur the needed action to both reduce population growth and address the associated problems.
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