Use of English PRO

Scientists have (0) BEEN constantly warning us that the earth is turning (1) ............ some kind of gigantic greenhouse and in the future there (2) ............ be a rise in temperatures everywhere. But other scientists disagree. They say that certain parts of the earth are not (3) ............ to get warmer but are going to get cooler. Global cooling over parts of Europe will probably be greater (4) ............ global warming. The reason is simple: clouds. Warmer temperatures will make more water evaporate and (5) ............ will lead to more clouds. These clouds will shade the earth (6) ............ the sun, leading to cooler temperatures during the day. Ecologists, however, insist that global warming will continue, in (7) ............ of increased cloudiness - and it (8) ............ not going to be a good thing.