Ethical fields that use AI for other reasons than mining personal data?

As a field that I want go into, AI and data science seems like it is being use for some pretty shallow, unethical reasons (mass manipulation, advertising, disinformation etc). Does anyone on HN do cool work with AI that makes the world a better place? Like this one story that was posted a while ago:

https://www.blog.google/topics/machine-learning/fight-against-illegal-deforestation-tensorflow/