Google-wide human rights information that applies across the company:

• Information about Google’s commitment to human rights
• A high-level explanation of how we meet our commitment to human rights due diligence

More specific information on advertising:

• The Google AI principles that explicitly reiterate our human rights commitment
• Commentary we published on how we're implementing the AI principles: six months out, and a follow-up
• This site explains in detail, how we have created a responsible, privacy-respecting approach to advertising -- giving users the ability to control setting and turn off personalization 
• Our detailed ads policies