We need every one to do more than the Paris agreement calls for.  If there is not international cooperation there will be little basis for future needed improvements.
We can surrender our potential leadership and involvement and let other countries develop new markets with new products. Such parts of the agreement as aid to some countries will come as goods and services and provide future markets.  Counties like China already are very busy in the developing markets area and this will be a gift to them just as our withdrawal trade agreements have been.
I think carbon taxes are not an effective solution as it is somewhat like taxing the number of horses you have when everyone is getting gas cars.