0
0

[–] jxfaith ago  (edited ago)

Depends on what technology you're referring to. Solar has payoff periods less than the lifespan of the modules (and has had them for the last ~5 years depending on company). Wind and geothermal are also great technologies that can be employed to offset peak usage. You're correct that nuclear (fission and fusion) are necessary for long-term energy solutions, but also fall under the umbrella of green tech. Anything that is more sustainable than fossil fuels and enables a post-fossil fuel energy economy does, in my opinion.