Doubt Quote by David Attenborough

In the years to come, the combination of climate change and population growth could have a devastating effect on the planet and, needless to…

— Nathaniel Philbrick

The more we nurture the planet, the better and more natural a life we'll have.

— Chris d'Lacey

I believe that human overpopulation is the fundamental problem on Earth Today" and, "We humans have become a disease, the Humanpox

— David Foreman

Our planet is changing in ways that will have profound impacts on all of humankind.

— Barack Obama

I think we have more planets that could serve human massive increasing population. but unless we do something about this, in ratio of our…

— ROBERT RONO

On an increasingly crowded planet, humanity faces many threats - but none is greater than climate change. It magnifies every hazard and tension of…

— Prince Charles

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

“We urgently need to either start increasing the size of our planet, or stop increasing the size of our population.”

— Mokokoma Mokhonoana

The fate of the living planet is the most important issue facing mankind.

— Gaylord Nelson

We think there is an ecological problem, but the real problem is irresponsible growth of human population.

— Jaggi Vasudev

We need to continue to decrease the growth rate of the global population; the planet can't support many more people.

— Nina Fedoroff

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

— Layla Moran