Global carbon inequality over 1990–2019 - Nature Sustainability
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Understanding the connection between economic inequality and climate change requires rich and reliable data. This study combines recently assembled data on income and wealth inequality with environmental data to shed light on the uneven individual contributions to climate change across the world.

rich people: top 10 % of the world population is responsible for close to half of global emissions.

25 % of emissions over 1990-2019 (when we knew about climate change) was due to the top 1%.