A major point of contention during this week’s climate negotiations in Paris is the question of who should be most responsible for the cost of transforming the world’s energy system. And while the need to curb rising emissions from major developing nations is one of the most urgent issues on the table, there is no ignoring the huge amount of heat-trapping gas that richer countries added to the atmosphere well before developing nations began emitting at a high rate.
Image: French president François Hollande gives a speech at the opening of the U.N. Conference on Climate Change in Paris. - http://www.technologyreview.com