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McKinsey’s carbon abatement map

The following graph is an old one and an often quoted one, but since it’s come up again yesterday at the Eilat Renewable Energy Conference, I think its worth posting.

The vertical axis shows the potential total cost of a given technology. Technologies below the line are ones that save money. Technologies above the line cost money. The horizontal axis shows the potential total amount of carbon (CO2) saved in gigatons. The result is a map of how the world can actually reduce CO2 emissions and how much it will really cost.

Say what you will about McKinsey, sometimes they really hit it out of the park. This is one of the most effective and impactful charts I’ve seen in a while.