Air pollution: alternatives and connections

undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities

pollution of the water in rivers and lakes

rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combin…

rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combin…

a substance that contaminates

a substance that contaminates

the general condition of body and mind; "his delicate health"; "in poor health"

air pollution by a mixture of smoke and fog

air pollution by a mixture of smoke and fog

a liquid necessary for the life of most animals and plants; "he asked for a drink of water"

unhealthy vapors rising from the ground or other sources; "the miasma of the marshes"; "a miasma of cigar smoke"

unhealthy vapors rising from the ground or other sources; "the miasma of the marshes"; "a miasma of cigar smoke"

sparkling mineral water from springs at Vichy, France or water similar to it

the preservation and careful management of the environment and of natural resources

medium for radio and television broadcasting; "the program was on the air from 9 til midnight"; "the president used the airwaves to ta…

of or relating to the science of ecology; "ecological research"

of or relating to the science of ecology; "ecological research"

no longer in existence; "the extinction of a species"