Depends on capacity of individual, if you have small capacity for climate change do it don't wait for those who have the real capacity to change. start from your room, house, street, town, village, city, county and the world. don't wast mobile charge on unnecessary reels, don't use paper unnecessary, don't turn on lights of your room unnecessary, don't use harmful gas emission cars, take reusable bags for shopping, if you have education about climate change educate those who don't have, plantation in bottles, garden, lawn, rooftop, if you have time don't use elevator use stairs, in office give rest to AC after every hour, balance temperature of office on room temperature don't make cold mountain like siachen. If every individual play his role for small changes we will make big change with effective result.