If you had a grilled steak, you burned approximately 21 pounds of CO2e (the measurement for global warming from greenhouse gases), according to the Eat Low Carbon Diet Calculator. Go to the website to discover how your daily eating habits affect the environment, with beef and cheese as the worst offenders. Concerned about your results? The good news is that most Americans can reduce their footprints by 25 percent by adjusting diet alone. Only buy food you know you’ll eat, choose seasonal foods grown in your region, eat less beef and dairy, and avoid highly processed and packaged foods whenever possible. To calculate your overall carbon footprint, go to Delicious Living's Carbon Footprint Calculator