Recommended

Resources:

Effective Altruism
Center on Long-Term Risk
Center for Reducing Suffering
Essays on Reducing Suffering
Magnus Vinding
Suffering-Focused Ethics Resources
Sentience Research
Utilitarianism
Animal Ethics
Wild Animal Suffering

Books:

Eliezer Yudkowsky, Rationality: A-Z
Magnus Vinding, Suffering-Focused Ethics: Defense and Implications
Magnus Vinding, Compassionate Purpose: Personal Inspiration for a Better World
David Pearce, The Hedonistic Imperative
Tobias Baumann, Avoiding the Worst: How to Prevent a Moral Catastrophe
Teo Ajantaival, Minimalist Axiologies: Alternatives to ‘Good Minus Bad’ Views of Value