"What we should do is require or at least permit innovators to license their green innovations free of charge in exchange for public payments based on the impact this innovation has on the environment - emissions averted or something of this sort."

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If we don't start with rapid emissions reductions and substantial emissions reductions, then we will pass a danger point, beyond which the consequences for many people and countries on Earth will simply become unacceptable and eventually disastrous.

— Michael Oppenheimer