Big Quote by Bill Nye

“.."consider this. It took the earth's population thousand of years-from the early dawn of man all the way to the early 1800s-to reach one…

— Dan Brown

“Food for thought… It took the earths population thousands of years (from early dawn of mankind to early 1800) to reach 1 billion people.…

— Dan Brown

“In 2006 the planet crossed a remarkable historical threshold, with more than half of the world’s population residing in urban centers, compared with just…

— Geoffrey West

“They say there are 7 billion people on earth. I don't know what accountant came up with that number, but in my humble opinion,…

— Jarod Kintz

When I was born, the world's population was 3.5 billion. There are now 6.8 billion people on the planet. By 2050, that's expected to…

— Anonymous

The world is a clock winding down.

— Rick Yancey

“1990, twenty-three million East Europeans lived on less than $2 per day;27 by 2001 that number had grown to ninety-three million, or one out…

— Siddharth Kara

I remember when we'd get excited that we had 70 people in the store a day. Now we're, like, 'We only did 2,000 people?'

— Corey Harrison

In my lifetime, the population of the world has doubled.

— Dallas Campbell

By 1985 enough millions will have died to reduce the earth's population to some acceptable level, like 1.5 billion people.

— Paul R. Ehrlich

There is a statistic I heard a number of years ago: if you know somebody who is 85 years old, that person was born…

— Dan Brown

“the rate of population growth observed from 1700 to 2012—0.8 percent per year—were to continue for the next three centuries, the world’s population would…

— Thomas Piketty