Ask HN: Any ML projects that 'make world a better place' I could contribute to?

I've also been looking around for something interesting to work on which will actually be helpful to other people. And it doesn't doesn't necessarily need to be ML related.

Two on Kaggle right now:

https://www.kaggle.com/c/data-science-for-good-city-of-los-a...

https://www.kaggle.com/c/jigsaw-unintended-bias-in-toxicity-...