For a long time no carts or carriages were permitted to enter the city for fear of polluting and injuring the pavement, and the transport of goods was carried on in hand-carts.
colliery spoil is polluting the water at the bottom end of the lake.
despoliation of the environment more easily than workers in the polluting industries themselves?
A new top band 'hits ' the most polluting new models only £ 45 harder per year, no real disincentive for 4x4 drivers.
Elsewhere a video group in India produced a film which led to the closure of a polluting factory.