Architects are touting plant-covered tower blocks as a way to tackle air pollution and improve the quality of urban life. From one of the world's tallest living walls to an entire "vertical forest" city in China, here are 10 examples showing the rise of verdant architecture. More
A groundbreaking plant where carbon dioxide is sucked from the air before being resold has opened in Switzerland. More
Daan Roosegaarde has unveiled the next concept in his Smog Free Project – a bicycle that would inhale polluted air, clean it and release it around the cyclist. More
Marcel Wanders has partnered with San Francisco company O2Today to release a set of air pollution masks made from patterned wool. More
Danish studio Kilo Design has created a mask to protect and educate children living in areas with very high levels of air pollution. More