'Missing heat' discovery prompts new estimate of global warming

An interdisciplinary team of researchers say they have found 'missing heat' in the climate system, casting doubt on suggestions that global warming has slowed or stopped over the past decade.

World population could hit nearly 11 billion by 2100

A new statistical analysis shows the world population could reach nearly 11 billion by the end of the century, according to a United Nations report issued June 13. That’s about 800 million, or about 8 percent, more than the previous projection of 10.1 billion, issued in 2011.