claim: While it's true that any single country's CO2 emissions reductions will make little difference, only if every nation agrees to limit CO2 emissions can we achieve significant cuts on a global scale.
evidence: Kevin Vaughan suspects that in the long-term of multiple generations "next to nothing" will survive in a useful way besides "if we have continuity in our technological civilization" by which "a lot of the bare data will remain findable and searchable".