These things take time, said Gates, co-founder of Microsoft Corp MSFT.O. By Katy Daigle WASHINGTON, Dec 20 (Reuters) - When it comes to climate change, Bill Gates considers himself a realist - even if that means admitting the world has no chance limiting warming to 1.5 degrees Celsius. "We have a number of Direct Air Capture companies that will bid on being a part of those projects," he said, noting that the recent Inflation Reduction Act legislation has boosted prospects for climate innovation.