Prolonged exposure to UV-B light can cause sunburn, and there are worries that damage to the ozone layer may lead to an increase in the incidence of skin cancer.
Damages to the ozone layer can cause skin cancer because there aren't any clouds.
( z1 possible :ARG1 ( z2 cause :ARG0 ( z3 damage :ARG1 ( z4 layer :mod ( z5 ozone ) ) ) :ARG1 ( z6 disease :name ( z7 name :op "skin" :op "cancer" ) ) ) :ARG1-of ( z8 cause :ARG0 ( z9 cloud :polarity - ) ) )