近来,不管是报纸、广播还是上网,经常会看到低碳、环保这类词。美国总统奥巴马在上任演讲中特别强调了发展节能减碳、降低污染的绿色新能源。我国政府领导人也在国内外多次 Recently, whether it is newspapers, radio or the Internet, you often see such words as low-carbon and environmental protection. In his speech, President Barack Obama put special emphasis on developing green and new energy sources that reduce carbon emissions and reduce pollution. Our government leaders are also many times at home and abroad