1.   But at the rate emissions of CFCs are growing, the gases are likely to overtake carbon dioxide as principal contributors to the global warming problem.

2.   OIL COMPANIES were urged yesterday to join forces with environmental groups and governments to find scientific solutions to global warming problems.

3.   And above all, fixing the global warming problem requires not just more powerful medicine, but a lot more of it, than controlling local smokestacks and tailpipes.

4.   Both actions have been the subject of considerable criticism within the United States and abroad as a sign of callousness by the new administration to the global warming problem.

5.   Unless concrete action to reduce such emissions are taken very swiftly, the world may be heading for a serious global warming problem.

6.   Neighboring Canada said the Bush plan was not an adequate solution to the global warming problem.