The text is about amount if litter in most of the cities. Mostly, the cause is exhaust gases. Fortunately, some cities creates creative solvations! For example, British people developed new type of community transport, which rides most of England cities for last few years. Anyway, in Asia people developed ecologicaly clean rickshaw, which works on natural gas, and it was named as 'Tooky-tooky' because of engine's sond. Every colourful 'Tooky-tooky' has its individual design. For exaple, United Jake, or even hood and curtains to protect it from rains and cold. These mini-taxies are able to drive with speed to 56 kph, and has great success with tourists and locals.