Huh? ~ 200 year is not long in ecological terms. I mean we'll have done 200 years or so of fossil fuels[1], is that sustainable? [1] Remember, coal in England

Huh? ~ 200 year is not long in ecological terms. I mean we'll have done 200 years or so of fossil fuels[1], is that sustainable? [1] Remember, coal in England long before oil in America