G20 finance ministers have recognized nature based solutions are the most cost-effective investment to protect and repair the planet. Mitigating climate change through grey infrastructure costs over $300 billion a year while nature based solutions pose a cheaper, more effective, and sustainable option. Despite the advantages of natural solutions, they receive only 2.5% of public climate mitigation funding. The G20 advisory board has proposals to encourage governments to create sustainable green infrastructure instead of creating grey infrastructure sustainably.
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