In my view it boils down to one issue: What is the difference in cost between a product that involves emitting carbon and an alternative that doesn’t? This difference in cost is what I call the Green Premium, and understanding it is key to making progress on climate change. Understanding the answers to these questions will help us make sure we’re putting our best minds and resources on the toughest problems in climate and energy. To avoid the worst effects of climate change, we need new zero-carbon ways to generate electricity, grow food, make things, move around, and keep warm and cool.īut knowing what we need to accomplish is very different from knowing how to do it-or even whether we can.ĭo we have everything we need to deliver enough affordable electricity for the world, or do we need more innovation? What about things like clean fuels, steel, and cement-are they viable options yet? In short, which clean sources are effective enough and cheap enough now, and which ones aren’t yet? Over the past several years, I’ve been making the case that we have to eliminate global carbon emissions.
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