Changed Quote by Gary Larson

Each species on our planet plays a role in the healthy functioning of natural ecosystems, on which humans depend.

— William H. Schlesinger

Biological diversity is the key to the maintenance of the world as we know it... Eliminate one species, and another increases to take its…

— E. O. Wilson

The diversity of life on Earth, generally, is astonishing. But despite those large numbers, it's also important to recognize that every species, one way…

— Sylvia Earle

Fundamentally, mankind was unimportant in the ecological system. Then, in one fell swoop, an evolutionary blink of an eye, the human race is transformed…

— Yuval Noah Harari

Loss of genetic diversity in agriculture is leading us to a rendezvous with extinction--to the doorstep of hunger on a scale we refuse to…

— Cary Fowler

We are in grave danger of losing forever not just millions of years of evolution on earth, but the eons of change that have…

— Charles Lindbergh

There are definitely recurring themes in humanity's relationship with our environment. The biggest is probably adaptation, because humans are incredibly good at adapting to…

— Annalee Newitz

Human use of fossil fuels is altering the chemistry of the atmosphere; oceans are polluted and depleted of fish; 80 per cent of Earth's…

— David Suzuki

A billion homo sapiens are added every 11 years to the planet. The hypertrophy of a single species pushes other life-forms out of bed…

— Leonard Sweet

Our food is safer and our diets are more diverse than ever before; production methods are becoming increasingly sustainable, clean and efficient; and we…

— Louise Fresco

Human civilization has been changing the Earths environment for millennia, often to our detriment. Dams, deforestation and urbanization can alter water cycles and wind…

— Jamais Cascio

It's taken us a short time to change the nature of nature. In my lifetime, more change than during all preceding human history put…

— Sylvia Earle