Which they will use as an excuse for more taxes.
See the pattern?
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This comment has two further comments, both of which ask questions. But since this comment is heavily downvoted, I cannot reply to the replies to answer the questions.
In short: no such thing as “negative externalities”, thats just make-believe to whitewash oppression and poverty creation. Taxes are not a market signal by definition. Its interesting how blithely people accept using violence to force others to comply with their wishes.
If you really wanted to reduce CO2 you would support safe clean nuclear. But CO2 isnt causing warming- its historically low, earth started at %100 CO2. Plants evolved to need levels 5 times higher than present. Increased CO2 would improve the environment. We had an ICE AGE at 10 times higher CO2 then now. ETC.
Unfortunately Government propaganda has replace science education.