how to describe a building that is strong enough to be not destroyed by typhoon? solid building?

Is this sentence okay? An environmental law I would like to see in the future is that factories will be heavily fined or forced to shut down if their emissions exceed the standard.

what amount of industrial emission is acceptable? is this right? What amount of industrial emission is acceptable

is this okay>? But if I have to say is that the traffic congestion.

is this okay>? Businessmen are definitely the most common group you will see on the plane.

is this okay>? When I become so worry about something, she will encourage me and she always says “Everything will be all right”.

numerous mountains? is this okay? Actually my hometown is a very small village surrounded with numerous mountains,

is this okay>? Besides, a law like this will reduce the toxic material in water from open oceans or rivers.

is this clear? I suppose an environmental law regarding to a more strict supervision over factories pollution is needed in the future.