The conversation between human and AI assistant.
What is some start-ups for college students?
Those sound interesting! Do you know of any start-ups that are focused on sustainability or social impact?
Yes, there are some great start-ups in those fields as well. Some examples include:

1. Aqua-Spark - a venture fund that invests in sustainable aquaculture projects.
2. The Climate Group - an international non-profit focused on accelerating the transition to a low-carbon economy.
3. Soko - a company that uses mobile technology to connect rural artisans in Kenya with international markets.
4. RE-volv - a non-profit that empowers communities to invest collectively in solar energy projects.