January 27th - February 28th, 2003 - ICTP, Trieste, Italy "1st School on Ecological Economics" Short Description The first two weeks of School gave participants the necessary mathematical, ecological and economic background for them to actively follow the "Conference on Theoretical Topics in Ecological Economics", that coincided with the third week of School activities. The learning of this background and the participation in the Conference enabled students to write a report on one or more topics that have been discussed: this activity was scheduled for the latest two weeks of School. Programme and Papers