They seem to think CO2 will stay in the atmosphere for millennia. They seem to forget how much our biosphere likes CO2. They also seem to forget that if they say the problem will be around for millennia, it’s likely the ucrrent set of humans view the video will shrug their shoulders and say “Eh, there’ nothing I can do about it.”.

Here’s the lead-in and discussion which has been making the rounds on Facebook. Discuss.

Imagine that aliens landed and gifted us a clean, limitless energy source. And instead of killing each other over this technology, we decided to immediately transform the world into a carbon-free society. This wonderous source would power our homes, industries, cars and planes, and humanity’s annual rate of carbon pollution would almost instantly fall to zero. So if we kicked our carbon addiction tomorrow, what would that mean for global warming?