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Carbon emissions go beyond firms and borders. The law may get in the way of companies cooperating in the fight against climate change. Regulators in Europe and the US are looking into whether corporate climate collaborations violate antitrust laws. Regulators should try to incorporate the effect of a partnership on emissions into antitrust considerations.

What are the similarities between the Russian invasion of Ukraine and Covid-19? Our sense of safety is challenged by all three of them. The boundaries between government and business need to be reexamined, as well as the balance between competition and cooperation in business. Climate cooperation is seen as a violation of antitrust law in some places, while others see it as a way to support green economies.