Climate change is a gloomy subject. The fact that it is an existential challenge makes good news hard to find. It is even harder since the second Trump Administration took over. He has been unwinding America's climate commitments. US support for clean tech industries is being cut. He has yanked the biggest climate polluting nation in history out of the Paris climate agreement. Drill-baby-drill is the new American mantra for fossil fuels. Trump’s global tariff war, starting next Wednesday, will make matters worse. The global value chain for clean technology is likely to take a hit. It is a depressing...