Brutal Quote by Henry W. Kendall

Either we reduce the world's population voluntarily or nature will do this for us, but brutally

— Maurice Strong

If we do not design policies to halt, and then reverse population growth, Nature by default will soon exact a most punishing solution

— Fred Thompson

Is it better that we manage population growth responsibly or should we to wait for nature to cull our numbers?

— Phil Harding

The human population can no longer be allowed to grow in the same old uncontrollable way. If we do not take charge of our…

— David Attenborough

“Human population growth is probably the single most serious long-term threat to survival. We're in for a major disaster if it isn't curbed... We…

— Anonymous

We need to recognise that slowing population growth is one of the most cost-effective and reliable ways of easing pressure on our environment and…

— Lionel Shriver

I would be remiss, as a scientist who studied this, if I didn't mention the following two things: The first is that, most importantly,…

— John Miller

Instead of controlling the environment for the benefit of the population, perhaps we should control the population to ensure the survival of our environment

— David Attenborough

There's no question at all that the population explosion will come to an end. The two basic choices are it'll come to an end…

— Paul R. Ehrlich

That is the onslaught. It has been going on a long time, I argue, but in the 20th century humans have certainly perfected it,…

— Kirkpatrick Sale

“Whether we accept it or not, this will likely be the century that determines what the optimal human population is for our planet. It…

— Alan Weisman

You see, nature will do exactly what it must, and if we are a hindrance to its development, to even its destructive powers to…

— Ralph Steadman