No, of course not, you just need to convince others that it's good for _them_ to do it. It's like elections: your single vote is nearly worthless, convincing ot

No, of course not, you just need to convince others that it's good for _them_ to do it. It's like elections: your single vote is nearly worthless, convincing others to vote the way you want is not. Although I believe what GP meant is that nothing _anyone_ can do will improve the situation, so do what you can to prepare, e.g. learning to grow vegetables would be quite useful in case of food shortages.