Researchers are starting to probe the role of lawns in global warming, how garden fertilizers and pesticides affect wildlife and how storm water running from roofs, roads and driveways undermines the health of streams.

?EUR??,,????'??The suburban landscape is large, and it?EUR??,,????'???s growing,?EUR??,,????'?? said Jennifer Jenkins of the University of Vermont, one of the scientists who reported her findings in December at a meeting of the American Geophysical Union in San Francisco. ?EUR??,,????'??There?EUR??,,????'???s this enormous land surface that?EUR??,,????'???s falling through the cracks.?EUR??,,????'??