Science,a Medium for International Friendship

THIS past fall, my colleagues, scholars from Nanjing Institute of Environmental Science under the State Bureau of Environmental Protection, left for the University of California, Santa Cruz (UCSC), in the United States. They were the third group of visiting scholars to make this trip, thus completing a three-year cooperative program in agroecology. This friendship cultivated by Chinese and American scientists bears fine fruit. As a participant in the cooperative program, I was lucky enough to work at UCSC for two weeks and forged a profound friendship with my UCSC's colleagues. In the fall of 1993, I went to UCSC alone, the first visiting scholar of this