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This is Heïdi

Heïdi is a Glaciologist set out to complete the first ever carbon-neutral science expedition in the Arctic and gather invaluable information on micro-particles, which could be a key in stopping glaciers from further melting and sea levels from rising. She advises governments all over the world on questions regarding glaciers and climate change and is also researching tropical glaciers.

With your help

Heïdi will not only be able to complete her groundbreaking expedition and conduct research but also further educate politicians to take vital decisions to stop global warming.

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Heïdi Sevestre

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Why care

Currently, 99.9 % of all glaciers are melting, contributing to our most significant threat – sea level rise. Over 700 million people will be directly affected by this. Indirectly, massive streams of refugees will increase population density, diseases, and conflict dramatically.

Heïdi Sevestre Stopping our **glaciers** from **melting**

Their work

Heïdi is a glaciologist and part of the female scientist group Climate Sentinels.

  • Heïdi and the other members of Climate Sentinels prepare for the first ever carbon-neutral modern science expedition in April 2021.

  • She gathers data on Arctic pollution by collecting snow samples. 

  • Measures the concentration of fine particles to further understand the urgency and composition of atmospheric pollution. 

  • Works to spread awareness to communities to put pressure on politicians.


  • Heïdi has numerous community outreach programs with schools and universities in Sweden, Norway, France and the US to educate students on the impact of climate change.

  • Worked with students to build sensors for the expedition and empowered them to take action.

  • She has been a part of various expeditions and worked in Svalbard, the Himalayas, Greenland, Colombia and the Larsen C ice shelf in Antarctica.

  • Planned for the first ever carbon-neutral modern science expedition, which was postponed to 2021 due to covid-19.

  • Is the host of “Extreme Earth” for French TV, France 5.

Sustainable development goals
SDG 13 Climate Action

The mission

Heïdi is on a mission to complete the first ever carbon-neutral science expedition and to stop glaciers from melting.

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