Billionaire and philanthropist Bill Gates recently backed a California-based startup called Savor that created a new type of butter made from air instead of cows. The developers of this innovative creation claim that their unique product tastes just like real butter. They also claim it comes with a significantly lower carbon footprint which is fundamentally important for the battle against climate change. One might wonder how anyone can make butter without milk. Savor claims its process involves using heat to combine carbon dioxide, hydrogen, and oxygen. By doing this, they say that they manage to create chains that mimic the...