ClimateVoice, launched this weekend at the ClimateCAP conference in Charlottesville, is the brainchild of Bill Weihl, who led Facebook’s sustainability team until leaving the company in 2018. To build that constituency, ClimateVoice will ask students and employees to sign a pledge committing to “prioritize,” “vocalize” and “mobilize” on climate action. That’s one reason Weihl launched his initiative public at the second ClimateCAP summit, an event convened by 18 universities, including Duke, Harvard and UVA, focused on building knowledge of climate change issues among MBA s...