00977nam a2200217Ia 4500 CTU_140462 210402s9999 xx 000 0 und d 29 508.77 M657 Mills, Stephanie Epicurean simplicity Stephanie Mills Washington, DC Island Press 2002 When an activity raises threats of harm to human health or the environment, precautionary measures should be taken even if some cause and effect relationships are not fully established scientifically. This idea, known as the "Precautionary Principle," is seen by environmentalists and public health experts as the key to protecting ecological and human health. Simplicity,Natural history,Tính đơn giản,Lịch sử thiên nhiên Middle West,Phương Tây Trọng Hải Trung tâm Học liệu Trường Đại học Cần Thơ