She is Severn Cullis-Suzuki, now an environmental activist, a degree in evolutionary biology and ecology from Yale University. It helped create the think-tank "The Skyfish Project and participated in the commission of Kofi Annan's special adviser for environmental issues. Today is 28 years.
At age 10 he founded ECO (Environmental Children's Organization) with a group of friends in Vancouver and went with them who was shifted in 1992 when he was just 13 years to the Earth Summit, the "Earth Summit" in Rio de Janeiro, where global presence of senior UN officials and gave the speech that you can see below.
A 13 year old girl delivered at the Earth Summit United Nations in 1992, before major world leaders, what has been described as the best political speech ever heard by the UN.
Admirable.