19min chapter

80,000 Hours Podcast cover image

#160 – Hannah Ritchie on why it makes sense to be optimistic about the environment

80,000 Hours Podcast

CHAPTER

Healing the Ozone: A Global Triumph

This chapter examines humanity's successful response to the environmental crisis of ozone layer depletion through international cooperation, particularly the pivotal role of the Montreal Protocol. It traces the journey from initial skepticism about the dangers posed by chlorofluorocarbons (CFCs) to the collaborative efforts that led to significant reductions in emissions. The chapter also provides insights into the ongoing recovery of the ozone layer and the challenges faced in addressing climate change.

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