You could quit doom scrolling and learn that the vast majority of everything is and WILL be fixed given a long enough timeline. Humanity has proven over and over that the vast majority of us are good people just wanting to live our lives happily. There are always great people doing great things behind the scenes that never generate as many clicks as OMG KILLINGS OMG THREATEN NUKES OMG OTHERS!
Lets start you off with the easy recommendation. Kurzgesagt Overpopulation and how it's bullshit: