What’s working in climate tech (and what’s not): 4 big ideas from a rooftop full of investors and foundersChallenges, breakthroughs and big ideas in the race to protect our planet. “They’re solving big problems for hyperscalers, and it’s worth a lot of money to [the tech giants],” said Yi Jean Chow, investment partner with Clean Energy Ventures. If the company, called LazeraH, were to succeed, “I can look back at and say this was my mark on clean energy,” he said. (GeekWire Photo / Laura Scott)Promising economics in sustainabilityCompanies in climate, sustainability and clean energy technologies are succeeding because they’re more affordable and perform better. “People are choosing climate solutions, climate products, not because of the climate value, but because they offer other value propositions, too,” Chow said.