The photographs actually show sand dunes coated with a thin layer of frozen carbon dioxide, or dry ice, less than 240 miles from the planet's north pole. 这张图片实际显示的,是距离火星北极不足240英里的沙丘上覆盖的一层薄薄的冰冻二氧化碳、或干冰。
Instead, they are fretting over climate change, nervous about the perception of flying as a big contributor to carbon emissions, and falling over themselves to champion offsetting and other schemes that allow the travelling public to go on clocking up guiltless air miles around the world. 相反,他们对于气候变化感到烦恼,对于有可能成为空中的主要碳排放者感到紧张,因而他们匆忙支持排放抵消及其它计划,使出行公众能继续进行全球旅行,而不致感到内疚。
This will obviate the need to import high carbon investment prefabricated components form hundreds of miles away. 这将避免从数百英里处进口高碳量投资的,昂贵的预制零部件。
In order to address global climate change developed and developing countries, the introduction of carbon labeling system for food miles. 为了应对全球气候变化发达国家以及发展中国家出台了食物里程标志等碳标签制度。