No your right not zero downside. Mostly downsides in the economic sense. However if we develop technology that can compete on the market there isn't a downside. We are already seeing this happen with solar becoming a better investment then coal.
They can,t compete (atleast now) and we pay for it with money and freedoms
we get taxed the crap out with co2 taxes,and thats what it is ,a opportunity to raise more taxes and increased gov regulation.The green industrie is a industrie like every other industry ,they are not less greedy and they are lobbying for regs to outlaw the cheaper old style industrie.
For many scientists it,s a lifetime well paying nice job and they have to push the alarm button constantly to get more funds to further study that the weather get,s warmer.I've heard there where periods of time (and probably still are)where scientists decided to go with studying climate change because they knew that the funding would come easiyer.
And by the way just yesterday a new study came out that stated up to 50 %of the warming we see now is not man made.
If you ask me it's probably even more and humans take themself just to serious.
We are at the end of a glacial period and it,s going to get warmer and no taxes ,gov. control is going to change it.
There will be downsides but also benefits,ever thought of that?
Gov.all over the world today are using terrorist fear to strip us from our privacy and civil rights,while climate change and co., is used to raise taxes and increase ressource and land use control.
At the end it's always joe average that pays the bill,food gets more expensive because transport companys pay co2 taxes for fuel,who pays in the end? Building your own house cost you another 50 grand more because you have to reach energie efficiency goals,who pays for it? etc.etc.
Private mobility taxed the sh..out of us,a good way to get more people (working class for the beginning) out of the cars while not loosing eny tax income because those who can still afford it pay more.. and the list goes on..that's just a glimpse i give you about the downsides we are experiencing here in the middle of europe.