Artificial lung to remove carbon dioxide—from smokestacks

The amazingly efficient lungs of birds and the swim bladders of fish have become the inspiration for a new filtering system to remove carbon dioxide from electric power station smokestacks before the main greenhouse gas can ...

Project aims to track big city carbon footprints

Every time Los Angeles exhales, odd-looking gadgets anchored in the mountains above the city trace the invisible puffs of carbon dioxide, methane and other greenhouse gases that waft skyward.

Clean air: New paints break down nitrogen oxides

Surfaces with photo-catalytic characteristics clean the air off nitrogen oxides and other health-endangering substances. Using a new test procedure, Fraunhofer researchers can find out how the coatings behave during a long-term ...

Researchers propose new building guidelines to clean up city air

As urban populations expand, downtown buildings are going nowhere but up. The huge energy needs of these skyscrapers mean that these towers are not only office buildings, they're polluters with smokestacks billowing out toxins ...