'We won't survive another 1,000 years without escaping our fragile planet'. Should read; 'We won't survive another 1,000 years without escaping our fragile planet, at current rates of growth and consumption'. It's extremely small minded/short sighted of the worlds most famous physicist, to assume the current system will keep chugging along, with business as usual, for a THOUSAND more years. He should do a little historical research...