Could Freezing Arctic Sea Ice Combat Climate Change?
Refreezing the melting sea ice in the Arctic is more complicated
than you would think. The U.K. is funding geoengineering
experiments like this one to curb the effects of climate change.
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The year-round sea ice in the Arctic is melting and has shrunk by
nearly 40 percent over the past four decades. Geoengineering
companies such as Real Ice are betting big on refreezing it. That
may sound ridiculous, impractical or risky—but proponents say we
have to try. The U.K. government seems to agree, investing millions
into experimental approaches such as Real Ice’s. Pulitzer Center
Ocean Reporting Fellow Alec Luhn is taking us with him to the
Arctic to see what it takes to freeze sea ice in the already
freezing cold. Recommended reading: Read Luhn’s feature in the June
2025 issue of SciAm, which will be released on May 20:
https://www.scientificamerican.com/author/alec-luhn/ Follow Luhn on
Instagram @alecluhn_ and BlueSky @alecluhn.bsky.social U.K. Funds
Geoengineering Experiments as Global Controversy Grows
https://www.scientificamerican.com/article/u-k-funds-geoengineering-experiments-as-global-controversy-grows/
Geoengineering Wins Reluctant Interest from Scientists as Earth’s
Climate Unravels
https://www.scientificamerican.com/article/geoengineering-wins-reluctant-interest-from-scientists-as-earths-climate/
Tell us what you think! Take our survey for the chance to win some
SciAm swag! http://sciencequickly.com/survey E-mail us at
sciencequickly@sciam.com if you have any questions, comments or
ideas for stories we should cover! Discover something new every
day: subscribe to Scientific American and sign up for Today in
Science, our daily newsletter. Science Quickly is produced by
Rachel Feltman, Fonda Mwangi, Kelso Harper, Naeem Amarsy and Jeff
DelViscio. This episode was hosted by Rachel Feltman. Our show is
edited by Alex Sugiura with fact-checking by Shayna Posses and
Aaron Shattuck. The theme music was composed by Dominic Smith.
Learn more about your ad choices. Visit megaphone.fm/adchoices
nearly 40 percent over the past four decades. Geoengineering
companies such as Real Ice are betting big on refreezing it. That
may sound ridiculous, impractical or risky—but proponents say we
have to try. The U.K. government seems to agree, investing millions
into experimental approaches such as Real Ice’s. Pulitzer Center
Ocean Reporting Fellow Alec Luhn is taking us with him to the
Arctic to see what it takes to freeze sea ice in the already
freezing cold. Recommended reading: Read Luhn’s feature in the June
2025 issue of SciAm, which will be released on May 20:
https://www.scientificamerican.com/author/alec-luhn/ Follow Luhn on
Instagram @alecluhn_ and BlueSky @alecluhn.bsky.social U.K. Funds
Geoengineering Experiments as Global Controversy Grows
https://www.scientificamerican.com/article/u-k-funds-geoengineering-experiments-as-global-controversy-grows/
Geoengineering Wins Reluctant Interest from Scientists as Earth’s
Climate Unravels
https://www.scientificamerican.com/article/geoengineering-wins-reluctant-interest-from-scientists-as-earths-climate/
Tell us what you think! Take our survey for the chance to win some
SciAm swag! http://sciencequickly.com/survey E-mail us at
sciencequickly@sciam.com if you have any questions, comments or
ideas for stories we should cover! Discover something new every
day: subscribe to Scientific American and sign up for Today in
Science, our daily newsletter. Science Quickly is produced by
Rachel Feltman, Fonda Mwangi, Kelso Harper, Naeem Amarsy and Jeff
DelViscio. This episode was hosted by Rachel Feltman. Our show is
edited by Alex Sugiura with fact-checking by Shayna Posses and
Aaron Shattuck. The theme music was composed by Dominic Smith.
Learn more about your ad choices. Visit megaphone.fm/adchoices
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