“Wildlife is something which man cannot construct. Once it is gone, it is gone forever. Man can rebuild a pyramid, but he can't rebuild ecology, or a giraffe.”— Joy Adamson
“No one will protect what they don't care about; and no one will care about what they have never experienced.”— David Attenborough
“The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.”— David Attenborough
“For me, the strongest arguments for saving birds and saving nature in general are spiritual and aesthetic, not economic.”— Diane Ackerman
“Since we humans have the better brain, isn't it our responsibility to protect our fellow creatures from our own species?”— Joy Adamson
“Each species is a masterpiece, a creation assembled with extreme care and genius.”— Gerald Durrell
“Protecting our environment and ensuring we have clean air and clean water is a responsibility we have for future generations.”— Jim Costa
“Protecting our environment is not a liberal or conservative value, it's a human value.”— George Pataki
“When the last individual of a race of living things breathes no more, another heaven and another earth must pass before such a one can be again.”— William Beebe