Bill Gates is to lead a $1bn fund over the course of the next 20 years that will fund some of the world’s rising stars in the clean energy industry, with help from some other leading tech figures like Jack Ma. Bill Gates providing billions of philanthropic funding for new initiatives is nothing new for the Microsoft co-founder, but this latest fund to tackle the effects of climate change marks a united effort to help fund companies tackling one of the world’s greatest issues today.