Abstract: Many kinds of impacts of global change on the future agriculture, forestry, Arctic and Anarctic ecosystem, biodiversity and others are brought to much attention from world scientists, and a lot of related research has been developed. The concept, certain and uncertain facts and recent achivements on global change in both abroad and China, especially in the MINK (USA) and TIGER (UK) projects, are briefly introduced in this paper.

Key words: Global change, Terrestrial ecosystem, MINK project, TIGER project, yield, whole field plastic mulching, water use efficiency, fertilizer application, seasonal water consumption, potato