Taiwanese students hold up cards they received from their counterparts in Arcata. Photos courtesy Union Street Charter. ### After 20 years in education, grammar and semicolons just don’t excite Union Street Charter School fourth grade teacher Greg Gaiera anymore. “While that’s important,” he says, “I really, really strongly believe that it’s going to be important that we all have agency to help contribute to solving the problem.” He’s talking about big problems in general, like climate change, or domestic and global social unrest. Gaiera is a big believer in exposing his fourth graders to those realities, and also in guiding