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Nature & Environment

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Nature & Environment

Bering Sea Microbes Are Rewriting Arctic Ocean Chemistry: Japan's R/V Mirai Caught It First

A Japanese research team from the University of Tokyo, JAMSTEC, and the National Institute of Polar Research has produced the first direct observational evidence that warm-water microbes carried into the Arctic Ocean are altering its nitrogen and phosphorus cycles. Aboard the R/V Mirai between 2015 and 2020, they tracked how UCYN-A2, a nitrogen-fixing organism normally associated with subtropical seas, surged into the Arctic basin during the early ice-melt year of 2017, and why that matters for the world's most rapidly warming ocean.

Life & Lifestyle

PFAS 'Forever Chemicals' Found Above Limits in 26 Prefectures: Japan's Contamination Crisis

Japan's Environment Ministry confirmed PFAS contamination above national limits at 629 sites across 26 prefectures in fiscal 2024, including locations near U.S. military bases, factories, and Self-Defense Force facilities. A UN special rapporteur has voiced 'most serious concern,' while Japan's standards lag far behind those of the U.S. and EU.