摘要
Global change refers to anthropogenic changes in the atmosphere,oceans,biosphere,pedosphere and lithosphere over the past century.
Global change refers in the atmosphere, oceans, to anthropogenic changes biosphere, pedosphere and lithosphere over the past century. It is a long process with large dimensions. Factors sensitive to these changes mainly include performance factors （such as temperature and precipitation）, response factors （such as eco-system, natural disasters, water resources, variations in snow and ice）, and driving factors （greenhouse gases and reflection rates）. Global change has caught the attention of the world.
