And for reasons that are not clear, positively charged bolts struck less frequently when the levels of silicon dioxide and other aerosols in the air were high. (discovermagazine.com)
Penner et al. (1996) reported a range of forcing from -2.5 to -4.5 Wm - 2 (not included in Table 6.6), which is probably an overestimate because of neglect of other aerosol types such as dust and sea salt and underestimated natural emissions of organic aerosols. (ipcc.ch)
An interesting low - budget entry in the post-Jaws animals - run - amok genre (which also owes more than a little to Hitchcock's The Birds), this noisy, violent thriller features the prophetic premise of a widening gap in the ozone layer (thanks to human indulgences in hairspray and other aerosol products) which unleashes brain - frying radiation and causes assorted woodland creatures to go for the throats of unsuspecting Sierra backpackers. (rottentomatoes.com)