The "airpocalypse" currently gripping Beijing has gotten so bad that a local entrepreneur has come up with a surprising solution in a can.
Oh, little Roomba, is there nothing you can't do? You clean floors and you paint psychedelic LED light art. Who are you really? And since when did you learn how to detect air pollution?
Boston's handful of scenic parks — while filled with trees — are outmatched by sources of air pollution. These huge mushroom tree things called Treepods could help filter CO2 from the air, powered only by the sun and little kids on seesaws.
Now here's something I bet your current cellphone doesn't do: measure the quality of the air around you and give you a full report. That might not be the case forever, however, as the Interzone designed by Alistair Bramley would...