thermal pollution
Environmental term referring to the degradation of water quality by any process that changes ambient water temperature, typically from industrial discharge.
Warm wastewater from the factory is causing thermal pollution.
Thermal pollution has a serious impact on aquatic life.
Air pollution; 熱汚染 is limited to thermal effects on water bodies.
Compound of 熱 (netsu, 'heat') and 汚染 (osen, 'pollution'), a direct calque of English 'thermal pollution'.