Not for everyone but political activism is a good outlet, be it protests or volunteering to help the election campaign of the opposition when it comes round again. Make sure everyone you know lays the blame in the correct place when shit inevitably hits the fan.
Other than that, get off corporate social media, rage bait is the most effective content for driving interaction, corporate social media algorithms are designed to maximise interaction. You will always be shown the worst of everything on social media.
Similarly identify where your news is coming from and if it's coming from somewhere with a tendency to sensationalise. Cut anything like that out too.
It's important to be informed yes, but it's not essential to be aware of absolutely everything for most people, and if that's better for your mental health, you should prioritise reduction in consumption.