There are lots of organizations that are trying to make the world a better place as effectively a possible. Here are some you could investigate, for ideas, internships, and career opportunities:
Centre for Effective Altruism: Fosters projects which use evidence and analysis to help others as much as possible.
Stiftung für Effektiven Altruismus: (Effective Altruism Foundation) An effective altruist think tank and project incubator in the German-speaking area.
GiveWell: Finds outstanding giving opportunities to help donors decide where to give.
Open Philanthropy Project: Makes grants and researches how to accomplish as much good as possible with our giving.
Good Ventures: Provides funding to help humanity thrive.
Giving What We Can: A community of people who have pledged to donate 10% of their income to the most effective charities.
The Life You Can Save: Raises awareness of extreme poverty and encourages effective giving.
Charity Science: Applies scientific principles to doing good and make it easy for people to give to evidence-based charities.
80,000 Hours: Provides careers advice service for talented young people to help them have a high social impact.
Centre for the Study of Existential Risk: Studies and mitigates risks that could lead to human extinction using multidisciplinary techniques.
Future of Humanity Institute: Researches questions that are critically important for humanity’s future.
Future of Life Institute: Supports research and initiatives for safeguarding life and developing optimistic visions of the future.
Foundational Research Institute: Aims to find cooperative interventions to reduce risks of future suffering.
Machine Intelligence Research Institute: Researches foundational mathematics to ensure smarter-than-human artificial intelligence has a positive impact.
Sentience Politics: Aims to reduce the suffering of all sentient beings with political campaigns, research and movement building.
Animal Charity Evaluators: Finds and promotes the most effective ways to help animals.
Faunalytics: Helps animal advocates identify effective strategies through research and works directly with organizations to help them measure and improve impact.
Center for Applied Rationality: Runs workshops to teach rationality and research the best ways to spread rational decision-making.