Asklemmy

We need to understand and dismantle the systems that produce them.

Vote for gun control if you're American, its worked in Australia and New Zealand. Or vote for any party that advocates for the intake of refugees. Beyond that build an iron man suit fly over and lay down the law :p

As a single person, most of it comes down to what you support, avoid consuming things that rely on cruelty and slavery to be produced, study to be more aware of what is actually happening, and don't panic, there's very little a person alone can do.

Joining groups with similar minds can help you make more, but groups can be very hard, people have different views on things, and radicalism can make some good willed people do pretty terrible things.

Our tax dollars pay for the weapons used on children. The outrage for Western support should be unanimous and visceral

Atheism. Most of the atrocities in the world are driven by religion. As the saying goes "good people will do good, bad people will do bad. When good people do bad, there's probably a religion involved"