71.   One place that has often lagged in the warming trend is the United States.

72.   Previous studies of satellite and submarine observations have seemed to establish a warming trend in the northern polar region and raise the possibility of a melting icecap.

73.   Scientists cannot say yet whether the cooling is a short-term occurrence masking a long-term warming trend or a long-term trend contrary to their predictions.

74.   Scientists say those gases, from smokestacks, tailpipes and burning forests, are contributing to a potentially calamitous warming trend.

75.   So far, though, the satellites detect only a slight warming trend -- smaller than that predicted by the computer models churning out the gloomy forecasts.

76.   Some may have been brought on by the warming trend of the last century.

77.   Some weather experts still doubt that the current warming trend will result outright in an El Nino.

78.   That has been puzzling, because the polar regions are thought to be more sensitive to warming trends than the rest of the globe.

79.   Sunshine and light winds will mark a warming trend in the central Plains.

80.   The first day of autumn will bring a warming trend to the Northeast.