...frequent as "will": Rapid changes in climate will change the composition of ecosystems; some species will benefit while others will be unable to migrate...atmospheric concentrations of natural greenhouse gases (Houghton, Jenkins, and Ephraums 1990, VK). Despite this pessimistic conclusion, there have been determined...

...most likely become more frequent in the future, and cold episodes less frequent • Ecosystems affect climate, and will be affected by a changing climate...gases. 'To improve our predictive capability, we need: to understand better the various climate-related processes, particularly those associated with clouds,...

...variability and other human factors could have offset a still larger human-induced greenhouse warming. The unequivocal detection of the enhanced greenhouse...our predictive capability, we need: o to understand better the various climate-related processes, particularly those associated with clouds, oceans and...

...Rapid changes in climate will change the composition of ecosystems; some systems will benefit, whi le others will be unable to migrate or adapt fast enough...efficiency of water use of vegetation. The effect of wanning on biological processes, although poorly understood, may increase the atmospheric concentrations...