Dropdown List Preview Contaminants Toxins Chemicals Pesticides Oil spills Sewage Fecal matter Heavy metals Radioactive materials Nutrient pollution Algal blooms Eutrophication Sedimentation Acid rain Industrial waste Microplastics Landfills Runoff Urbanization Agricultural practices Mining activities Deforestation Climate change Global warming Greenhouse gases Carbon dioxide Methane Nitrogen oxides Sulfur dioxide Ozone depletion Groundwater contamination Surface water contamination Drinking water contamination Waterborne diseases Cholera Typhoid Hepatitis Giardia Cryptosporidium Dysentery Blue-green algae Fish kills Dead zones Water scarcity Water stress Water conservation Water treatment Water quality standards Environmental regulations Public health code<select> <option>Contaminants</option> <option>Toxins</option> <option>Chemicals</option> <option>Pesticides</option> <option>Oil spills</option> <option>Sewage</option> <option>Fecal matter</option> <option>Heavy metals</option> <option>Radioactive materials</option> <option>Nutrient pollution</option> <option>Algal blooms</option> <option>Eutrophication</option> <option>Sedimentation</option> <option>Acid rain</option> <option>Industrial waste</option> <option>Microplastics</option> <option>Landfills</option> <option>Runoff</option> <option>Urbanization</option> <option>Agricultural practices</option> <option>Mining activities</option> <option>Deforestation</option> <option>Climate change</option> <option>Global warming</option> <option>Greenhouse gases</option> <option>Carbon dioxide</option> <option>Methane</option> <option>Nitrogen oxides</option> <option>Sulfur dioxide</option> <option>Ozone depletion</option> <option>Groundwater contamination</option> <option>Surface water contamination</option> <option>Drinking water contamination</option> <option>Waterborne diseases</option> <option>Cholera</option> <option>Typhoid</option> <option>Hepatitis</option> <option>Giardia</option> <option>Cryptosporidium</option> <option>Dysentery</option> <option>Blue-green algae</option> <option>Fish kills</option> <option>Dead zones</option> <option>Water scarcity</option> <option>Water stress</option> <option>Water conservation</option> <option>Water treatment</option> <option>Water quality standards</option> <option>Environmental regulations</option> <option>Public health</option> </select>Copy Download