All the measures to address climate change still require further maturation; none guarantee ultimate success. We don’t know which renewables, if any, will predominate, or which are more likely to scale quickly. Problems with the batteries of electric vehicles (weight, cost, recycling) must still be solved, and charging networks still require substantial expansion to succeed. Financial instruments must more effectively manage the risks of new technologies. Market models that shift us from single ownership of homes and cars to shared ownership must gather steam and make peace with regulation.
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