I like Chris Turner's suggestion that the climate challenge is less like World War II and more like the post-war Marshall Plan. Right now the world depends on an energy infrastructure - oil wells, pipelines, oil tankers, refineries, gas stations, gas-powered vehicles - that gets 85% of its energy from fossil fuels. We need to build up a new energy infrastructure based on carbon-free energy, which means electrifying everything - especially transport and heating - and generating a lot more carbon-free electricity, whether that's hydro, nuclear, or renewable.

For consumers, not using fossil fuels (a concentrated and abundant form of energy) means that energy will be more expensive - that's unavoidable. Like using unleaded gas even though leaded is cheaper, because of the terrible effects of lead on children's brains.

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