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Chúng ta đều biết đến những cuộc tranh cãi ràng trở thành người ăn chay sẽ tốt cho môi trường và động vật -- nhưng trong nền văn minh mà ai cũng ăn thịt, thật khó để thay đổi.Graham Hill có một đề xuất mạnh mẽ và thực tế...
Graham Hill is the founder of TreeHugger.com; he travels the world to tell the story of sustainability, and tweets at @GHill. Full bio »
Translated into Vietnamese by Alice Tran
Reviewed by Le Vu
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