It was warm but foggy day in Tehran, Iran. The Iranian Government were having a big meeting on the topic transport and pollution it makes in the big cities. They had been trying to stop pollution rates from going up.
The same type of meeting was happening on a warm sandy day Manama, Bahrain. Even though there was a tiny population in the country the pollution was quite big.
In the big island of Cuba there was a huge protest over pollution.
Kukong, China the problems with pollution were massive. Cars filled the roads and polluted the air.
Transport is useful to go places and meet people but it can cause problems and destroy the Earth.