1.The depletion of the ozone layer is the cause of global warming.The direct effect includes the melting of ice caps,resulting in the rise of sea-level.We have to take actions to prevent global warming.Reducing the automobile exhaust gases,cutting down the use of CFCs-products and promoting the use of non-fluoride products are a few examples.
2.The key to preventing "plastic pollution" (white pollution?) is to increase awareness among the population.This includes bringing our own shopping bags,reducing the use of plastic bags,using recyclable plastics or special paper to replace them.
对不起,我不太清楚“塑料污染(白色污染)” 的翻译.