You could do something to help the earth in the long run, for example getting some friends together to pick up trash off the street this would help humanity in the long run
Explanation: Even if I am the most insignificant person in the world, my impact is almost infinite. From the trash I throw away, to the people I meet my actions affect everything else. I could even inspire the next Albert Einstein without even knowing. JUST my own existence affects the earths ecosystem.