| We also account for the disposal of waste water polluted by fertilizers, as well as by pesticides and herbicides. |
| Use of these pesticides has declined sharply, though they continue to be used in many countries where raptors or their prey spend the winter. |
| Despite evidence of the carcinogenic properties of pesticides, aerial spraying remains widespread. |
| Filtering drinking water to remove toxic copper, lead, pesticides, chloride and additives is also recommended. |
| The team will also test walruses, sea otters, and clams in Alaska's Aleutian Islands for traces of PCBs, pesticides, and petroleum. |
| Farm pesticides and weedkillers have had a devastating effect on Europe's bird populations, according to a study released today. |
