Alien Quote by Nancy Gibbs

When our natural habitats become overrun by species that are not native to these areas, they can damage the environment, pose health risks, and…

— Elise Stefanik

Aquatic invasive species are destroying the environment, damaging fisheries, and costing American taxpayers billions of dollars annually.

— John M. McHugh

We are the most dangerous species of life on the planet, and every other species, even the earth itself, has cause to fear our…

— Wallace Stegner

Economic desperation often drives wildlife destruction like poaching or illegal logging. But trade can help create powerful financial incentives for communities to preserve the…

— Arancha Gonzalez

The illegal wildlife trade has an unacceptable human cost for those who have lived for centuries in harmony with wildlife.

— David Lidington

The major threats to our survival no longer stem from nature without but from our own human nature within. It is our carelessness, our…

— M. Scott Peck

The tragedy is that there is so much more incentive - money - to destroy the ecology than there is to preserve it.

— Paul Watson

Human nature provides sufficient distrust of all that is alien, so that there is no need of any artificial supply.

— Calvin Coolidge

Mass extinctions may not threaten distant futures, but they are decidedly unpleasant for species caught up in the throes of their power.

— Stephen Jay Gould

The greatest threat to our planet is the belief that someone else will save it.

— Robert Swan

The big threat to the planet is people: there are too many, doing too well economically and burning too much oil.

— James Lovelock

So much of the habitat destruction and pollution is based on the simple principle that we somehow have been given free license over other…

— Greg Graffin