Start here:

• On caring (Nate Soares, 2014)
• The psychology of existential risk and long-termism (Stefan Schubert, 2018)
• Why we have to lie to ourselves about why we do what we do (Robin Hanson, 2018)
• Against responsibility (Ben Hoffman)

Further reading:

• Replacing guilt (Nate Soares, 2015)
• The value of a life (Nate Soares, 2015)
• Purchase fuzzies and utilons separately (Eliezer Yudkowsky, 2009)
• Altruistic motivation based on pain vs enjoyment (Brian Tomasik, 2017)
• Tradeoffs (Julia Wise, 2014)
• Aim high, even if you fall short (Julia Wise, 2014)
• Purchase fuzzies and utilons separately (Eliezer Yudkowsky, 2009)
• Mr Rogers on unconditional love (Brian Tomasik, 2013)
• Effective altruism complaints (Robin Hanson, 2015)
• If you can't lie to others you must lie to yourself (Paul Christiano)
• Epistemic incentives and sluggish updating (Paul Christiano)
• The Elephant in the Brain (Simler and Hanson, 2018)