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I think the "let's move to mars" is more of a joke, but I do believe what we've done to the Earth is shocking and I don't know how we can recover.
The Earth took 5 billion years to get to this point. Man has been here (in its current resource-hungry capacity) for a few hundred years, and look what we've done. Imagine the next 200-300 years!? It's quite inconceivable for me to imagine what we're leaving for the next generations. Until we start pushing for the use of reusable energy (the sun, wind etc) then we're just pushing ourselves further towards self-destruction.
It's quite sad really, what man has done. Destroy wildlife, nature, other species. I'm sure in a way it's just natural evolution - the top of the food chain looks after himself.
But only 20,000 years ago we were not much more than apes. What form is evolution going to take us in the next 1,000 years, if we've still got an Earth to call home?
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