HKS Authors

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Crisis looms for the planet. In November 2022, world leaders met in Egypt at the UN’s annual forum on climate change, known as the Conference of the Parties. Much like the previous 26 rounds of negotiations, COP27 did little to solve the world’s environmental emergency. The summit marked another failure to secure meaningful commitments. It is now virtually certain that countries will fail to reach the long-standing goal of limiting average planetary warming to 1.5 degrees Celsius. A UN Environment Program report from October 2022 projected that current climate pledges will result in planetary warming of approximately 2.5 degrees Celsius by the end of the twenty-first century. The damage done by the past inaction of governments is increasingly palpable and irreversible, but that is no reason to give up.


Hanson, Gordon, and Matthew J. Slaughter. "How Commerce Can Save the Climate: The Case for a Green Free Trade Agreement." Foreign Affairs 102.2 (March/April 2023): 119-129.