As a scientist, activist and policymaker, Marcelo Mena has dedicated his life to initiating and guiding the environmental policies and international initiatives that are most likely to transform and rejuvenate our world.

Why you should listen

As Chilean Minister of Environment Marcelo Mena played a pivotal role in the nation's landmark agreement to phase out coal power generation and in creating South America’s first carbon taxes for power generation and new car sales. He also helped establish 45,000 square kilometers of national parks and protect 1.3 million square kilometers of ocean. His office led the development and adoption of the Escazu Agreement on Environmental Justice, which has been ratified by more than a dozen countries in Latin America. During his time at the World Bank, Mena helped create the Finance Ministers for Climate Action and the Adaptation and Resilience Action Plan.

At Global Methane Hub, Mena is leading a first-of-its-kind philanthropic alliance to support methane emissions reduction around the world, which has delivered 100 million dollars in funding to engage with more than 152 countries, covering 70 percent of all methane emissions.

Marcelo Mena’s TED talks

More news and ideas from Marcelo Mena

Live from TED Countdown Summit 2023

Magnitude: Notes from Session 4 of TED Countdown Summit 2023

July 13, 2023

To rise to the challenge of climate change, we need big, bold, gigaton-scale solutions. Session 4 of TED Countdown Summit 2023 focused on the clean technologies that need to scale fast — and made space for ideas on radical climate leadership, the use of art for environmental activism and the push for climate-friendly alternatives to […]

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Live from TED2020

Conversations on climate action and contact tracing: Week 2 of TED2020

May 27, 2020

For week 2 of TED2020, global leaders in climate, health and technology joined the TED community for insightful discussions around the theme “build back better.” Below, a recap of the week’s fascinating and enlightening conversations about how we can move forward, together. Marcelo Mena, environmentalist and former environment minister of Chile Big idea: People power […]

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