Now we are using the mask against a virus. Before this pandemic problem started, many people in Asia were walking around with masks. But not as protection against air pollution. Is it a bad idea to start with this?
Climate change? Our climate? >>
Now we are using the mask against a virus. Before this pandemic problem started, many people in Asia were walking around with masks. But not as protection against air pollution. Is it a bad idea to start with this?
Climate change? Our climate? >>