在曼谷市郊,人们用猪粪肥产生的沼气作燃料来发电。在中国的内蒙古草原,风力发电场一座接一座的涌现。在印度安德拉邦的农村,拖拉机使用一种从粗大的honge树种子中榨取的清洁物质作燃料。这些分布广泛的清洁能源项目有何共同之处呢?它们都是1997年签署的《京都议定书》的直接结 In the suburbs of Bangkok, people use biogas generated from pig manure as fuel to generate electricity. In China’s Inner Mongolia grasslands, wind farms emerged one after another. In rural India, Andhra Pradesh, tractors use a clean substance extracted from the seeds of a large honge tree as a fuel. What do these widely distributed clean energy projects have in common? Both are the direct result of the “Kyoto Protocol” signed in 1997