. >> for angelo sosa, every day he has to keep energized. >> my days are intense. my mind has to be working at a fast rate. >> i have this mon golian lam, picking it up by the chop and massacring it. >> reporter: today 30% of americans are eating less meat. concerns over the environment and higher prices have led to meatless monday and a 12% drop in consumption. dialing back the meat and amping up the vegetable, fruits and whole grains. >> i don't need to be weighed down, i don't need more fat in my system. >> reporter: the first day, he ate at this asian restaurant, a caesar salad with chicken. >> you're getting the lettuce which is refreshing and makes you feel good. >> reporter: the manager brings by the virgin ploody mary being tested. but he wants to add something more carnivorous to it. >> i could totally imagine smoked lam or a nice oyster. pork belly would be amazing. >> before you think you have to be a celebrity chef to go with a less meat diet, meat mark bikman, noted foodie for "the new york times." he's ought to prove that anyone can easily and afforda