Question

Cαn ѕσmєσnє plєαѕє ѕєndєr thíѕ quєѕtíσn

Answer 1

I think the answer may be water pollution.

water pollution > Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.

source: Wikipedia 

Answer 2

It would be water pollution.