> simply a matter of engineering. Remember that these are hypothetical, untried mitigations. > Humans should also aggressively colonize elsewhere in the solar

> simply a matter of engineering. Remember that these are hypothetical, untried mitigations. > Humans should also aggressively colonize elsewhere in the solar system Another idea that requires decades or centuries of continued technological progress - which in turn depends heavily on stable societies and supporting ecosystems. I'm a bright green environmentalist, too - I think that the convergence of technological change and social innovation provides the most successful path to sustainable development - but you're being a bit overly optimistic here, I think.