1.   On some occasions, this Marked cooling effect extended a distance of several hundred kilometres from the burning oil wells.

2.   Similarly, the depletion of the ozone layer, also due to human activity, was believed to be having a cooling effect.

3.   According to the report, CFCs can have both a warming and a cooling effect on the atmosphere.

4.   The loss of the ozone layer is also believed to be having a cooling effect.

5.   The combined cooling effect is estimated as being only about one-fifth as powerful as the overall warming caused by greenhouse gases.

6.   The study predicts that the cooling effect will last for between two and four years, by which time the acid will have been dispersed as rain.

7.   And when you sweat in water, there is no cooling effect from the evaporation of the sweat, says Hyde.

8.   A northward retreat of the jet stream has prompted offshore breezes across the region, limiting the cooling effect of the Pacific Ocean.