21.   But the worldwide climate has changed significantly, most scientists concur.

22.   But there have been many signs in recent years that the political climate is changing, at least at the level below the presidency.

23.   But the research climate may be changing, Wiese said.

24.   By then, they hope, the climate will change.

25.   By the turn of the century, the climate had changed.

26.   Calling from his Maine farm, Stookey notes that the social and political climate has changed around the trio.

27.   Climate may be changing too.

28.   Corporate subsidies have been among the hardiest survivors at budget time, but lawmakers said the political climate has changed.

29.   Here again, the intellectual climate is changing.

30.   However, in recent years, the regulatory climate has completely changed.