The Palazzo Italia pavilion, to be launched at the 2015 Milan Expo, will be built using "biodynamic" cement, which will remove certain pollutants from the air.
Air-cleaning building —
The Palazzo Italia pavilion, to be launched at the 2015 Milan Expo, will be built using "biodynamic" cement, which will remove certain pollutants from the air.
Courtesy Nemesi & Partners
Titanium dioxide particles are activated by sunlight to remove nitrogen dioxide from the surrounding air.
Palazzo Italia —
Titanium dioxide particles are activated by sunlight to remove nitrogen dioxide from the surrounding air.
Courtesy Nemesi & Partners
The Manuel Gea González Hospital in Mexico City, complete with "smog-eating" facade that its designers claim can negate the effects of 1,000 cars each day.
Manuel Gea González Hospital —
The Manuel Gea González Hospital in Mexico City, complete with "smog-eating" facade that its designers claim can negate the effects of 1,000 cars each day.
Courtesy Elegant Embellishments
Simon Armitage's poem "In Praise of Air" in Sheffield is printed on a banner coated with titanium dioxide nano-particles that can neutralize the effects of 20 cars each day.
Pollution-cleaning poem —
Simon Armitage's poem "In Praise of Air" in Sheffield is printed on a banner coated with titanium dioxide nano-particles that can neutralize the effects of 20 cars each day.
Courtesy University of Sheffield
Designer Helen Storey among a "Field of Jeans" treated with anti-pollution detergent.
Catalytic Clothing —
Designer Helen Storey among a "Field of Jeans" treated with anti-pollution detergent.
Courtesy Chris Scott/UAL
The MicroPEM is a portable sensor that delivers detailed atmospheric readings to help users avoid the damaging effects of pollution
MicroPEM —
The MicroPEM is a portable sensor that delivers detailed atmospheric readings to help users avoid the damaging effects of pollution
Courtesy RTI
Air quality monitoring kite, part of crowd-funded FLOAT campaign in Beijing
FLOAT —
Air quality monitoring kite, part of crowd-funded FLOAT campaign in Beijing
Courtesy FLOAT
Women in Delhi struggle through the smog. The city has the world's worst pollution according to the WHO.
Most polluted —
Women in Delhi struggle through the smog. The city has the world's worst pollution according to the WHO.
PRAKASH SINGH/AFP/Getty Images