KraneShares’ California carbon allowance ETF is rallying this week. The KraneShares California Carbon Allowance ETF (KCCA) Is up 3.7% in the past week, lifting its year-to-date total return to 27%. The purchase of voluntary carbon credits aims to increase in coming years because California recently enacted the first mandatory climate emissions disclosure laws in the U.S. [...] The post KraneShares California Carbon Allowance ETF Returns Nearly 4% in Past Week appeared first on ETF Trends .