Anthropocene Water | smithsonianmag.comhttps://www.smithsonianmag.com/rss/tag/anthropocene-water/RSS feed for Anthropocene WaterenWed, 08 Jul 2026 15:36:06 +0000The Arctic Ocean May Have Passed a Crucial Tipping Point That Could Harm Food Webs and Worsen Climate Changehttps://www.smithsonianmag.com/smart-news/the-arctic-ocean-may-have-passed-a-crucial-tipping-point-that-could-harm-food-webs-and-worsen-climate-change-180989083/Sea ice loss seems to have triggered a decline in the nutrient nitrate, affecting the tiny organisms that form the foundations of marine food chains and absorb atmospheric carbon dioxide, according to a new studyWed, 08 Jul 2026 15:36:06 +0000https://www.smithsonianmag.com/smart-news/the-arctic-ocean-may-have-passed-a-crucial-tipping-point-that-could-harm-food-webs-and-worsen-climate-change-180989083/