Obviously they can do the little things like shutting off lights or driving less and walking/biking more. I think all that is helpful, but to live sustainably you have to go a little further. You could give up beef, start a compost, get solar panels for your roof. There’s so many different things you could do. – Freja Clauson
(“Nature” by @Doug88888 is licensed under CC BY-NC-SA 2.0)