Rising atmospheric CO2 reduces nitrogen availability in boreal forests

Rising atmospheric CO<sub>2</sub> reduces nitrogen availability in boreal forests

• Abstract Anthropogenic nitrogen (N) pollution is a cause of eutrophication globally1. • However, recent datasets indicate that some ecosystems may be experiencing widespread olig

Science · February 20, 2026 (updated February 24, 2026) · 2 min · 232 words

Archived tree cores reveal why boreal forests are getting starved for nitrogen

• Despite decades of industrial deposition, nitrogen availability in the boreal forest is steadily declining. • In a new study published in Nature, researchers from the Swedish Uni

Science · February 19, 2026 (updated February 24, 2026) · 1 min · 144 words