Of course we can't outright stop carbon emissions, but why not reduce them? It's not like fossil fuel is some kind of pure unsubsidized, free-of-government-support energy source. Just the Iraq war alone cost more than $2 trillion, money that is essentially fossil fuel subsidy. Not to mention lives of American soldiers. Fossil fuel may just be not only the most damaging to our climate, but also the most subsidized and expensive energy source of all.