Nitrogen from agriculture, vehicle emissions and industry is endangering butterflies in Switzerland.

In an international study published by the journal Environment International, the University of Surrey led an international team of air pollution experts in monitoring pollution hotspots in 10 global cities.

Transitioning to low-carbon energy production is the biggest climate challenge to overcome.

Diesel-polluted soil from now defunct military outposts in Greenland can be remediated using naturally occurring soil bacteria according to an extensive five-year experiment in Mestersvig, East Greenland, to which the University of Copenhagen has contributed.

Ozone is a pollutant at ground level, but very high in the atmosphere’s “ozone layer,” it absorbs damaging ultraviolet radiation. 

The threat was invisible to the eye: tons of methane billowing skyward, blown out by natural gas pipelines snaking across Siberia. 

For some, marine debris may simply be an unsightly inconvenience, but for many people around the world it is a critical problem that can affect all aspects of life.

Satellites reveal fluctuation in the Great Pacific Garbage Patch and releases from the Yangtze River.

Soot particles from oil and wood heating systems as well as road traffic can pollute the air in Europe on a much larger scale than previously assumed. 

When lockdowns during the coronavirus pandemic cut local nitrogen oxide emissions, the effect on ozone pollution was global and unexpectedly rapid.