By Daniel Kline The Tesla CEO questions the Microsoft founder’s commitment to environmentalism. Tesla (TSLA) – Get Tesla Inc Report CEO Elon Musk thinks he’s saving the world with his electric vehicle and solar power efforts (and he might be doing just that). Microsoft founder (MSFT) – Get Microsoft Corporation Report Bill Gates has followed a more traditional path to philanthropy. His foundation, which he runs with his ew-wife Melinda, has devoted billions to solving inequities around the world. The Bill and Melinda Gates Foundation has worked on everything from bringing vaccines to parts of …