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Teresa Hartmann

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Teresa Hartmann is Director, Voluntary Carbon Market Formation at the International Emissions Trading Association (IETA). Previously, she was the Lead for Climate and Nature at the World Economic Forum and headed led the World Economic Forum’s environment and sustainability programme across the Davos agenda.

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Teresa Hartmann

Nature-based solutions spending needs to rise four-fold. Here's how the G20 can lead by example

The G20 countries invested $120 billion in nature-based solutions in 2020, according to the State of Finance for Nature in G20 report. But future global investment needs to increase four-fold by 2050, equalling a yearly total of more than $536 billion to meet net zero targets. As G20 countries' investments account for about 40% of this total, they need to provide an extra $165 billion by 2050.

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