1.   Spitzer announced in September that he planned to sue the owners of power plants in upwind states, on the ground that their pollution harmed New Yorkers.

2.   The results could well be a sign of how greenhouse gas pollution will harm the high Arctic in years to come.

3.   In addition to poaching, pollution has harmed the fish, he said.

4.   The jurors found that the pollution harmed the health of Dunkerly and Maikath but could not agree on damages.

5.   He said the primary fault lay with industrialised countries whose pollution was harming the ozone layer.