11.   Flooding in the Midwest this spring has already reduced yields, and traders feared heat damage could lead to one of the worst crop harvests in years.

12.   Some children who appear in perfect health have measurable lung damage from exposure to air pollution, researchers found, suggesting such damage could lead to lung disease.

13.   Subramaniam also said the damage could lead to water contamination.

14.   The resulting kidney damage can lead to kidney failure, which requires dialysis or a transplant.

15.   Nghamadu said it was not still clear if the damage to the Escravos pipeline would lead to a shortage of fuel.