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

Terahertz spectroscopy finds nitrogen can lengthen GaAs-like LO phonon decay

• An Osaka Metropolitan University-led research team investigated the decay time of coherent longitudinal optical (LO) phonons both in a GaAs1−xNx epilayer and in a GaAs single cry

Science · February 19, 2026 (updated February 24, 2026) · 1 min · 121 words

Nitrogen pollution is rising: What a new global map means for forest carbon

• On a cool spring morning in a northern forest, the ground feels soft underfoot. • Mist hangs between the trunks, and the air smells of wet leaves and old humus; the slow alchemy

Science · February 17, 2026 (updated February 24, 2026) · 1 min · 174 words