Arctic Quote by James Lovelock

How many people is the earth able to sustain?

— Isaac Asimov

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 earth is going to survive, it's the people that aren't.

— Sixto Rodriguez

“Any environmental biologist or statistician will tell you that humankind’s best chance of long-term survival occurs with a global population of around four billion.”

— Dan Brown

I always give the analogy of the Earth at Night picture, of 7.3 billion of us, right? And everyone says, "Well, that's population." Well,…

— Maya Lin

There are plenty of people on Earth. It's not like the human race is going to disappear if a few people don't come back.…

— William Stone

The purpose of population is not ultimately peopling earth. It is to fill heaven.

— Graham Leonard

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

“The World Health Organization (WHO) estimates that, worldwide over the past three decades, 150,000 people a year have died as a result of a…

— Linda Marsa

“If we're going to survive as a planet with more than 6 billion people without destroying the complex balance of our natural ecosystems, the…

— Steven Johnson

When my parents were growing up the world's population was under three billion. During my children's lifetime, it is likely to exceed nine billion.…

— Tony Blair

There's 7 billion, 46 million people on the planet

— George Watsky