Investing in climate change: A 25-stock index By: CNBC.com News July 28, 2014 at 11:42 AM EDT Motif Investing has created a 25-stock index to give investors an opportunity to invest in climate change, explains co-founder Hardeep Walia. Read More >> Related Stocks: Canadian Solar Inc Cons Water Inc JA Solar Holdings, Co., Ltd. - American depositary shares, each representing fiv Microsoft Monsanto Co Roper Indus Sentinelone Inc Cl A Twitter, Inc.