All this week, EarthFirst.com has counted down the world’s richest green entrepreneurs who have amassed fortunes ranging from the low millions to an incredible $3.4 billion mostly from doing good deeds for the planet.

We’re down to the top 5 – green billionaires who didn’t just start helping the environment after they became billionaires, they made the bulk of their fortunes from helping the environment. These industry giants range between $1.5 billion and $3.4 billion in net worth, and the top three are all from a country that might surprise you: China.