반응형 생물가스1 깨끗한 생물가스가 베트남 농촌의 삶을 개선한다 A farmer tends his cows on a rice paddy field in Thach Bich village, outside Hanoi. Waste from cattle and other farm animals is producing biogas for cooking for more than 400,000 Vietnamese, as well as reducing carbon-dioxide emissions. Nguyen Huy Kham/Reuters/File Nguyen Thi Huong, a paddy rice farmer in central Vietnam’s Phong Binh commune, enjoys cooking in her smoke-free.. 2012. 7. 18. 이전 1 다음 반응형
