https://riffcitystrategies.com/wp-content/uploads/2021/11/Screen-Shot-2021-11-19-at-12.37.48-PM.png302697maxhttp://riffcitystrategies.com/wp-content/uploads/2017/02/RC_1.pngmax2023-05-26 20:37:282023-06-02 20:41:17Boston Innovation: Cleantech is on the rise. Here are the local startups we’re watching.