Got milk alternatives? Your guide to the nutritional value and environmental impact of various versions

If you grew up in the ’90s—or have kids who did—you surely remember the “Got milk?” campaign. Posters featuring celebrities—from Britney Spears to Kermit the Frog—plastered school hallways and lunchrooms, reminding those who walked by how milk helps growing bones stay healthy and strong. Two decades after those two words entered our consciousness, it might be time to rethink what kind of milk—if any—we should be drinking.