11.   And several scientists Tuesday strongly disputed claims that there is no proof that global warming is real.

12.   A number of factors are already contributing to the destruction of coral reefs, and global warming is one of them.

13.   Ahlmann believed polar warming was equally real.

14.   Both companies say global warming is a problem and have endorsed the Kyoto agreement, a multilateral treaty aimed at limiting greenhouse gases.

15.   Bush agrees that global warming is a problem, but so far he has given no details of what he would do about it.

16.   But all acknowledge that nobody knows how pronounced the warming will be.

17.   But even those who say that man-caused global warming is hysterical conjecture admit that the concept of the greenhouse effect is valid science.

18.   But Clinton and Al Gore leave having accomplished nothing, simply because global warming was too politically painful to address head-on.

19.   But there is no warming up to him in Rockwell.

20.   But there is good news for the Arctic, too, and there may be more if the warming is a long-term one.