Discusses new technique for assessing UV-B damage to a class of ocean plankton. Criticizes efforts to limit greenhouse gas emissions and questions the scientific basis for such efforts. Questions the science underlying efforts to limit greenhouse gas emissions. The drive to control greenhouse emissions is mostly in the grip of an unwieldy political machine, driven by environmentalists with ideologies and beliefs that are not based on science or economics. The third is from Hugh W. Ellsaesser.
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Describes public confusion over the protection ratings used to categorize sunscreens. Graham, Russell W. et al. Educational copying of Inside Science is permitted under license. At solar maximum, a warming of the summer stratosphere was found to strengthen easterly winds, which penetrated into the equatorial upper troposphere, causing poleward shifts in the positions of the subtropical weterly jets, broadening of the tropical Hadley circulations, and poleward shifts of the storm tracks. These effects are similar to, although generally smaller in magnitude than, those observed in nature.