Developing a Global Nitrous Oxide Reduction Policy for a Food-Secure Future

Vibha Dhawan (The Energy & Resources Institute), David R. Kanter (International Nitrogen Initiative), Renee Valerie Fajardo
This Policy Brief was first published in https://t20ind.org


Multilateral approaches to nitrogen pollution are generating synergies between climate change and food security and presenting opportunities to reduce nitrous oxide (N2 O) globally. N2 O is the most abundant ozone-depleting substance not yet regulated by the Montreal Protocol and a powerful greenhouse gas. Failure to reduce emissions will delay ozone layer recovery and worsen the climate crisis. While cost-effective mitigation technologies to reduce N2 O emissions are available, policies and incentives to encourage the uptake of such measures are lacking. The G20, whose membership includes the world’s largest food exporters and fertiliser consumers, is positioned to advance N2 O mitigation by supporting coordinated multilateral action. G20 leadership on N2 O can support food security by preventing drastic impacts of climate change on food production and safeguarding the ozone layer, which protects agriculture and biodiversity from harmful ultra- violet B radiation. It can also support the achievement of countries’ net-zero climate goals and nationally determined contributions.


Vibha Dhawan (The Energy & Resources Institute), David R. Kanter (International Nitrogen Initiative), Renee Valerie Fajardo

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