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Brown to green: The G20 transition towards a net-zero emissions economy, 2019

In 2018, global emissions grew once again signaling that ever stronger efforts to reduce emissions are required to limit global warming to 1.5°C. This means that G20 countries will have to ratchet up their 2030 emissions targets in 2020 and significantly bolster mitigation, adaptation, and finance measures over the next decade. The ‘Brown to Green Report 2019’ provides a comprehensive overview of all G20 countries, whether – and how well – they are doing on the journey to transition towards a net-zero emissions economy. The report draws on the latest emissions data from 2018 and covers 80 indicators on decarbonization, climate policies, finance, and vulnerability to the impacts of climate change. Providing country ratings, it identifies leaders and laggards in the G20.

Developed by experts from 14 research organizations and NGOs from the majority of the G20 countries, the report covers helps to inform policy makers and stimulate national debates.


This report was produced by Climate Transparency, with partial funding provided by ClimateWork Foundation. Climate Transparency is a global partnership with a shared mission to stimulate a ‘race to the top’ in G20 climate action and to shift investments towards zero carbon technologies through enhanced transparency.

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Published November 12, 2019