Temperatures are rising all around the world. But if you feel like the streets of your urban neighborhood are especially sweltering, you may be right. Climate scientists like Dr. Jeremy Hoffman are studying the heat island effect, an infrastructure, equity, and climate-based issue that results in higher localized temperatures than those experienced in outlying areas. Climate change is undoubtedly turning up the heat on this issue—but there are things you and your community can do to help, starting with learning about heat islands themselves.