smoke stack scrubbers would likely solve much of the concerns regarding burning hydrocarbons.

crop yields / agriculture / forest systems will benefit substantially by the increase in CO2.

sun only shines 12/24 hours a day.

storing the power is a complex problem. batteris require strip mining a lot of lithium, for example. lots of envrionmental damage there that the green folks like to gloss over. along side manufacturing / recycling panels, etc.