ROME, Nov 15 (IPS) - Lea is a three-year-old from Mexico who loves ladybirds. Siddhiksha, a six-year-old from India, has a passion for trees and wild animals. Rachelle is a 12-year-old Tanzanian who is wise beyond her years. They are smart and adorable and they are among the stars of a short film that is aiming to remind the leaders taking part in the COP27 UN Climate Conference that they have a duty of care towards young and future generations.