| The results of the water test showed that pollution was surprisingly minimal, and that there was no sign of sea water leaking into the spring. |
| That then takes one on the step of identifying where the pollution source is to be found. |
| An inquiry into the effect of light pollution on astronomy was published last year. |
| Sustainability, protection of wildlife, controlling agribusiness and pollution are first principles, not afterthoughts. |
| President George Bush has ratted on the US commitment to reduce the pollution that is causing climate chaos across the globe. |
| Automobile exhaust fumes have become a major contributor to air pollution globally. |
