There is a massive ecosystem that has to get built that…

If we don't preserve the oceans from nitrate runoff and plastic and chemicals, and if we don't preserve it from acidification, and if we…

— John F. Kerry

Keep an eye on the weather, which is changing faster than predicted, and on the new diseases escaping or being made, even as we…

— Margaret Atwood

...no matter how complex or affluent, human societies are nothing but subsystems of the biosphere, the Earth's thin veneer of life, which is ultimately…

— Vaclav Smil

This is suicidal... our home is the biosphere. That's a very thin layer of air, water and land where all life exists. It's fixed,…

— David Suzuki

Protecting the biosphere should be our highest priority or else we sicken and die.

— David Suzuki

The ability of human beings to be creative depends fundamentally on the health and well-being of our biosphere, the few kilometres of air, water,…

— Freeman Patterson

Plants with leaves no more efficient than today's solar cells could out-compete real plants, crowding the biosphere with an inedible foliage. Tough omnivorous bacteria…

— K. Eric Drexler

“[Religious belief is] outmoded and ridiculous. [Belief in gods was a] worn out but once useful crutch in mankind's journey towards truth. We consider…

— P.W. Atkins

“Nothing is more important to human beings than an ecologically functioning, life sustaining biosphere on the earth. It is the only habitable place we…

— Joseph Guth

Certainly for me, as an astrobiologist, science fiction has played an important role. One of the quandaries of our field is that we are…

— David Grinspoon

The schedules are crammed with shows urging us to travel further, drive faster, build bigger, buy more, yet none of them are deemed to…

— George Monbiot

I firmly believe that contemporary spiritual use of entheogenic drugs is one of humankind's brightest hopes for overcoming the ecological crisis from which we…

— Jonathan Ott

Using less of the Earth’s resources more efficiently and productively in a circular economy and making the transition from carbon-based fuels to renewable energies…

— Jeremy Rifkin

The living environment is the biosphere, the thin layer around the world of living organisms. We're part of that. Our existence is dependent on…

— E. O. Wilson

It's always been a dream of mine, of exploring the living world, of classifying all the species and finding out what makes up the…

— E. O. Wilson