"Ecosia is a search engine based in Berlin, Germany. It donates 80% of its profits to nonprofit organizations that focus on reforestation" [1]
"80% of profits will be distributed among charities and non-profit organizations. The remaining 20% will be put aside for a rainy day." [2]
"Ekoru.org is a search engine dedicated to saving the planet. The company donates 60% of revenue generated from clicks on sponsored search results to partner organizations who work on climate change issues" [3]
[1] https://en.wikipedia.org/wiki/Ecosia [2] https://ask.moe/ [3] https://www.forbes.com/sites/meimeifox/2020/01/19/how-the-se...