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.
Further damage to the ozone increases skin cancer chances.
( z1 increase :ARG0 ( z2 damage :ARG1 ( z3 ozone ) :degree ( z4 further ) ) :ARG1 ( z5 chance :ARG1 ( z6 disease :name ( z7 name :op "skin" :op "cancer" ) ) ) )