Have you ever seen a bunch of plastic bottles and bags floating in your local river or lake? Were you ever tempted to grab a mask in order to prevent smog from getting into your lungs? Pollution today is all around us, some results of it we can see (trash, landfills, smog) and some we can’t see which makes them even more dangerous. Luckily, city authorities are finally cracking under pressure and making serious steps to put a stop on our environmental crisis. Here’s what urban settlements can do in order to fight plastic and air pollution.