'Day Zero': Water shut-off looms in South Africa's Cape Town

Long lines of South Africans collect water daily from a natural spring pipeline in an upscale suburb of Cape Town, illustrating the harsh impact of a drought that authorities say could force the closure of most taps in the ...

Combatting air pollution with nature

Air pollution is composed of particles and gases that can have negative impacts on both the environment and human health. Technologies to mitigate pollution have become widespread in recent years, but scientists are now exploring ...

European map of aerosol pollution can help improve human health

Researchers have measured the composition of fine dust at 22 locations in Europe. The result of this international study, led by the Paul Scherrer Institute PSI, is a European map of the most important aerosol sources. The ...

Black carbon sensor could fill massive monitoring gaps

Black carbon is the most dangerous air pollutant you've never heard of. Its two main sources, diesel exhaust and wood smoke from wildfires and household heating, produce ultrafine air particles that are up to 25 times more ...

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