Fortunately, some governments have listened to these economists and implemented carbon pricing systems, as discussed above, but more action is necessary. (shapingtomorrowsworld.org)
Any global carbon pricing system is thus going to have to be fair enough to get them on board. (planet3.org)
So how do we ensure that the countries with national carbon pricing systems keep and strengthen them, and convince the countries without such national systems to implement them? (shapingtomorrowsworld.org)