The idea of cows grazing in a pasture seems idyllic. We asked experts how their emissions stack up compared to factory farms. Credit...Photo by Ruth Fremson/The New York Times Supported by By Sachi ...

You'll often see restaurants (fast food burger chains included) boasting grass-fed beef. Food bloggers, too, try to convince people their beef recipes 'deserve' to be made with this pricier option.

Merve Ceylan is a dietitian and health writer with four years of experience writing for companies in the nutrition and health industry. Kayla Girgen, RD, is a licensed dietitian who specializes in ...