We've actually had more than 100 years of doomsday warnings, that doesn't mean "nothing happened" if each warning is for a specific set of dates. If I say, "The

We've actually had more than 100 years of doomsday warnings, that doesn't mean "nothing happened" if each warning is for a specific set of dates. If I say, "There will be a fire in your house in one year" and then in six months I say, "There will be a fire in your house in half-a-year" that doesn't mean my prediction should be devalued. Re: Alternative energy: It doesn't matter if fusion/nuclear/any renewable is "perfected" if Carbon Dioxide is at such high levels that every air conditioning unit needs a CO2 scrubber attached because outdoor the concentration reaches 1000ppm and people's brains literally start to get dumber.