Students at public schools in Boston, Massachusetts, will soon be looking at the world in a new way. Social studies teachers there will be using a new type of map that shows the world’s continents in slightly different sizes and positions than we usually see them.
The population of the world is about to hit a new milestone.
As of Oct. 31, demographers say there will be seven billion people living on earth.
Back in 1804, we hit the one-billion mark. It took another 123 years to reach two billion.
By 2083, the population rate could be much faster or slower, depending a few factors including average life expectancy.
It is the poor who are always hit hardest by population increases, researcher John Bongaarts told The Globe and Mail newspaper.
There are more people drawing on the earth’s resources—food and energy, for instance.
More than 900 million people in the world don’t get adequate nourishment.