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Tags: extinction

Would you let space aliens damage our planet?

If aliens came and damaged our planet, would you declare them 'persons' and give them money, or would you mobilize to fight them?

Category:Human Causality
Woody Allen:   Let's pray we choose wisely.

“Mankind faces a crossroads. One path leads to despair and utter hopelessness. The other, to total extinction. Let us pray we have the wisdom to choose correctly”—Woody Allen.

The danger is not to the planet but our civilization

‘The danger is not to the planet but to our civilization on the planet. This is the real challenge of climate change.’ – Adam Frank, writer for National Public Radio.

Pteropods: the "canaries in the coal mine" of climate change.

As Earth's oceans warm and become more acidic, ocean creatures including pteropods are undergoing severe stress. They are harbingers of change. It's possible by 2050 that they might not be able to make a shell any more and if we lose these organisms the impact on the food chain will be catastrophic.

Is it going to be bad or horrifically bad? That's the scientific debate

‘Is it going to be bad or horrifically bad?’ This is what the scientists debate, not it could be fine. Nothing like that.’ – Dr. Justin Wood, climate scientist

A political issue? That's like choosing sides over E = mc2

"Climate change has taken on political dimensions...That's odd because I don't see people choosing sides over E = mc2 or other fundamental facts of science." — Dr. Neil deGrasse Tyson, astrophysicist, Host of Cosmos: A Spacetime Odyssey.

"We depend on the natural world... for our very sanity"

"We are dependent on the natural world for the very air we breathe and every particle of food we eat. Many people, including me, would say we are dependent on it for our very sanity." — Sir David Attenborough

Category:Extinctions
"Climate is always changing... !"

Sure, the climate always changes—just like asteroids have always hit the Earth. But does that mean that a big asteroid hitting the Earth today would not have a serious impact on human civilisation, just like the one that wiped out the dinosaurs, 65m years ago?