Premieres Wednesday, April 26, 2023 at 9 p.m. on KPBS TV / PBS App + Encore Sunday, April 30 at 9 p.m. on KPBS 2. The U.S. recently set an ambitious climate change goal: zero carbon emissions by 2050. And to achieve that, slash emissions in half by 2030. Is it possible? And what kind of technology would it take? Meet scientists and engineers who are convinced we can achieve carbon zero in time to avoid the biggest impacts of climate change.