Five things you need to know today, and these letters can save the planet

Good morning, Boston. Here are the five most important things you need to know to start your workday. South Coast lacks health access, data shows Residents on the South Coast have a harder time finding access to health care and insurance compared with anyone else in Mass., a new report has found. Cassie McGrath has more here. Mavrck to buy 'link in bio' creator Boston tech firm Mavrck received a $135 million strategic investment to buy a Canadian company responsible of creating Instagram's "link…