a. cause water pollution sebel b. stop global warming Kresel c. use energy-efficient bulbs d. use eco-friendly bags e. prefer public transportation f. reduce air pollution g. use solar energy h. use wind energy i. put in recycling bins j. use fossil fuels k. use pesticides on farms 1. waste water m. turn off the lights n. plant a tree o. throw rubbish around p. destroy forests 9. pick up litter​