Bill Gates
When Bill Gates agreed a couple years ago to put a small piece of his personal fortune into a fund that invests in companies serving low-income customers in India, he invited the fund managers to return with a plan to scale up their investments and their social impact.
China is not the only country in East Asia to eye the global thermometer and begin to sweat.
"Somebody will say, 'Oh freedom of speech, freedom of speech.' These are foolish people. We have a lot of foolish people."
World leaders will make major decisions on climate change at the COP21 conference in Paris -- but technology is already putting us on the right path.
WHAT'S HAPPENING
Bill Gates, Mark Zuckerberg and Richard Branson are among the tech titans behind the Breakthrough Energy Coalition.
The Gates Foundation steps up and takes its own advice.
Gates got 9/10 on this quiz about the world's most pressing issues.
The Gates Foundation has 3 ideas to fix FAFSA.