During this week’s Democratic debate, there was a lot of talk, unsurprisingly, about ensuring the future of this country’s children and grandchildren. Climate change was of particular interest to billionaire Tom Steyer, who said repeatedly that addressing it would be his top priority were he elected U.S. president.

As it happens, earlier the same day, we’d spent time on the phone with two venture capitalists who think of almost nothing else every day. The reason: they both invest in...

Continue Reading Deep tech VCs on what they view as some of the most impactful young startups right now