Global Warming
Few people now question the reality of globalwarming and its effects on the world’s climate. Many scientists (51)_____ theblame for recent natural disasters on the increase (52)_____ the world’stemperatures and are convinced that, more than (53)_____ before, the Earth is at (54)_____ from the forces of the wind, rain and sun. (55)_____ to them, global warming is making extreme weather events, (56)_____ as hurricanes and droughts, even more (57)_____ and causing sea levels allaround the world to (58)_____ .
Environmental groups are putting (59)_____ on governments to take action to reduce the (60)_____ of carbon dioxidewhich is given (61)_____ by factories and power plants, thus attacking theproblem at its source. They are (62)_____ favour of more money being spent onresearch into solar, wind and wave energy devices, which could then replaceexisting power (63)_____ .
Some scientists, (64)_____ , believe thateven if we stopped releasing carbon dioxide and other gases into the atmospheretomorrow, we would have to wait (65)_____ hundred years to notice theresults. Global warming, it seems, is here to stay.

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