P ass ag e 1I'm pretty c on fident th a t t here wil l never be a day when all the worl d is in ag re e ment abo ut the b e s t h uman di e t、 I'm a n o m n ivor e my se lf, b ut I hav e f r i en d s w h o swea r by t h eir pale o, veg et ari an, and vegan d iets、 All of us c an mak e pell in g a rguments ab o ut wh y w e eat the wa y we d o, an d a ll of us ca n make v al id c r iti cism s of diets tha t are unl ik e o u r own、F or m e, dec i di n g h ow a nd w hat to eat req u ired a close exa m i na t ion of the v al ues a nd p rinciple s that trul y ma tte r to me、 Th e t ype of fo o d we co n s um e ha s imme d iate heal th a nd econom i c c ons e q uen ces, but it a ls o has a signific an t i mp ac t o n o ur e nv ironme nt、A s a st u dy sh ow s, t he m anne r and scal e a t wh ic h o u r so ci e t y cu r rently r ais e s anim a l for human c onsu mpt io n contr i butes to cl i mate change in major way、 It al s o wastes wat e r, p o llutes o ur soil, and conta m i n ates f resh w a te r su pp lies、 So i f you’re rea lly t r ying to live a low—i mpa ct li f e, eating less meat a nd en s uring that th e me a t you do eat is raised b y re s p onsible fa rm e rs and rancher s cou l d hel p you sh r ink yo ur c a rbon footprint a l o t faste r than b uyin g a h y brid o r sk i pp ing sho wer s、1、 The au th o r b el ieve s ...