WASHINGTON, April 21 -- The Center for Strategic and International Studies issued the following commentary on April 20, 2026, by visiting fellow Astrid Chevreuil, former visiting fellow Gine Lund Bolling and former intern Sara von Bonsdorff, all of the Europe, Russia, and Eurasia Program: * * * Nordic Nukes: Seeking Strategic Agency in Uncertain Times Following French President Emmanuel Macron's March 2 speech at Ile-Longue, most Nordic countries--Sweden, Denmark, and Norway--have expressed i  more

POTSDAM, Germany, April 21 (TNSrpt) -- The Potsdam Institute for Climate Impact Research issued the following news release: * * * Nordic Seas Overturning Circulation strengthens as Atlantic Meridional Overturning Circulation weakens, new study A new modelling study identifies a feedback mechanism suggesting that a strengthening of the Nordic Seas Overturning Circulation (NOC) could be a direct consequence of the Atlantic Meridional Overturning Circulation (AMOC) weakening from global warming,  more

PHILADELPHIA, Pennsylvania, April 20 -- The University of Pennsylvania posted the following news: * * * What happens when an iceberg melts? * A melting ice cube in lemonade will quickly water down a drink-disappointing, but not dire. It's different in the ocean when even the smallest of icebergs melts faster than expected. That, says geophysicist Hugo Ulloa, can have serious consequences. As the Earth warms up, the massive ice sheets covering its poles are breaking off more icebergs than e  more