biggest effect for the environment? Transportation goes with noise, burden on the roads, increase traffic, cause traffic jams …. Above the listed facts, the biggest problem is the exhaust emissions, which is effected for the environment, and can effect … for the economy, so we can called it externality. It is a negative externality, because it destroys environment. An …

in many cases impose negative externalities on society and suggest that current trends in animal product consumption are …