Not a single bit! The Paris Agreement was a non-binding agreement that, had we decided to uphold our end of, would have had us sending billions of dollars to China and other countries without them having to implement a single reduction in emissions for thirteen years! As usual this was a one sided affair that would have cost us $280 billion dollars, 40,000 jobs and put higher prices on gasoline and electricity for every single American.As for your second sentence, your bias is showing and you're assuming we will have damage to repair. There is not a single dynamic model that shows that is the case.Walking away was the smartest thing we could possibly have done. If a better deal comes along we can always revisit it.