Which action that humans have taken in attempting to solve an ecological problem has had the most negative effect

Which of the following is a personal responsibilty

Why did alexander hamilton support high tariffs?

According to the article,"social credit" is question 3 options: an experiment to people talk on-line a farming experiment that hurt people under mao ze dong using someone else's data from the internet, to give or take away things such as the right to buy an airline ticket a credit you get in china for having friends in real life, and not just on social media