Ecosia

Ecosia has built two solar plants, which provides enough clean energy to the grid to power all Ecosia searches with 100% renewable energy. In fact they produce 200% of their power requirements. In addition to this Ecosia use 80% of their profits to plant trees, removing more CO2 from the atmosphere.
[Source 2019][More on Climate Change]

Certified B Corporations use the power of business to solve social and environmental problems. B Corps meet comprehensive and transparent social and environmental performance standards; meet higher legal accountability standards; and build business constituency for good business.
[Source 2019][More on Governance]