Electrocatalytic nitrogen oxidation (NOR)—the green alternative to the century-old, energy-guzzling Ostwald process—has long been stifled by the formidable 941 kJ mol⁻¹ N≡N bond and the relentless ...

Improvements in air quality have led to ecosystem recovery from acidic deposition, but the mechanisms and trajectories of this recovery are not fully understood. Here, we present long-term stream ...