1.   Most climate scientists now agree that human activity is the main cause of global warming.

2.   An obscure rule is discouraging countries from applying cheap technologies that could dramatically curb global warming in the short term, warns a British climate scientist.

3.   Bell and other climate scientists say the ability to make long-range forecasts is rapidly improving.

4.   A frustrating fact of life for climate scientists and emergency planners is that the most severe hurricanes are so rare that it is almost impossible to discern any pattern.

5.   A warmer surface temperature would mean extremes in floods and droughts, higher ocean levels and disrupted food production, many climate scientists say.

6.   But now climate scientists say the ability to make long-range forecasts is rapidly improving.

7.   Climate scientists met in Boulder, Colo., in July for the first conference ever on La Nina.

8.   Climate scientists argue that by keeping the NEC computers out of the United States, Washington has managed to set back American scientific research and has accomplished little else.

9.   Dramatic changes such as the Sahara turning to lush forest and the Amazon basin turning to desert were forecast by climate scientists at a meeting in Amsterdam last week.

10.   In the warmer world predicted by some climate scientists, the heat waves may stretch out to become twice as long.