1.   McCarron announced his retirement last week, citing his waning enthusiasm.

2.   Rabin and Arafat are facing mounting criticism, and waning enthusiasm among their backers, for the peace effort.

3.   That formulation is too weak for German officials, who fear that waning public enthusiasm for giving up the deutsche mark may subvert the whole project.

4.   That, combined with waning enthusiasm for the sport, led to his decision.

5.   The UN marks World Environment Day on Wednesday amid relentless evidence of the size of global environmental problems and the waning enthusiasm of governments to fix them.