Xiuhtezcatl Martinez is not your average teen.

At the rebellious age of 14, he has given a Ted Talk and spoken twice at major United Nation's forums. President Obama awarded him the Youth Change Maker of the Year Award and he is a member of the Presidential Youth Council to advise the president on youth views and policy.

Xiuhtezcatl is mobilizing youth in 25 countries to demand greener policies from our world’s leaders.