21st century Quote by Frosty Wooldridge

The human overpopulation issue is the topic I see as the most vital to solve if our children and grandchildren are to have a…

— Alexandra Paul

Overconsumption and overpopulation underlie every environmental problem we face today

— Jacques Yves Cousteau

I believe our biggest issue is the same biggest issue that the whole world is facing, and that's habitat destruction.

— Steve Irwin

Climate change is the biggest issue facing our planet. Extreme weather hit every populated continent in 2018, killing, injuring and displacing millions.

— Layla Moran

Consider the problem of over-population. Rapidly mounting human numbers are pressing ever more heavily on natural resources. What is to be done?... The annual…

— Aldous Huxley

The most serious problem facing humankind is climate change.

— Bill Nye

Phasing out the human race will solve every problem on earth, social and environmental.

— David Foreman

The bigger the population gets, the more serious the problems become... We have to address the population issue. The United Nations, with the U.S.…

— Gaylord Nelson

All our environmental problems become easier to solve with fewer people and harder - and ultimately impossible to solve - with ever more people.

— David Attenborough

The most serious problem facing humankind is climate change. All of these people breathing and burning our atmosphere has led to an extraordinarily dangerous…

— Bill Nye

The most important question we have to deal with is a combination of population control and the control of our environment - how to…

— David Packard

In what I think is the most serious problem the world faces, which is the population explosion, we will come I think to a…

— Charlton Heston