Much of the current policy debate remains focused on cutting carbon, but there are many ways to go about repairing the global climate. Our choices will result in different outcomes and different costs.
当今的大多数政策讨论依然将重点放在削减碳排放上，但解决全球气候问题其实是有许多道路可走的。而我们的不同选择，将会导致不同的成果，付出的成本也会不同。