The raised fields of the Tiwanalcu may be a good example of a complex society already responding to the challenges of a marginal environment, and therefore vulnerable to sudden climate change.

Both sides reviewed their cooperation in various fields and raised thoughts and Suggestions on the next step of cooperation during the first round of large-scale meeting.

A farmer treks through arid farm fields in Yunnan amid a devastating drought that raised unease about food prices, climate change and cross-border water management.