Problem 1: More global warming Bio-energy is accused of being environmentally unfriendly, the irony being that while it can replace gasoline, it also accelerates global warming.
爭議 1：加劇暖化！生質能被指控「不環保」，有一個諷刺的原因是：它雖然能替代石油，但卻也會加速暖化。