Dhaka, Dec. 28 -- On a quiet December morning in Dhaka, as the winter sun peeps through the fog and children's laughter is heard under the open sky, tiny hands press soft soil around young saplings. And others sit inside a warm, lively classroom, discovering stories for the first time beyond their school textbooks.

In a city so often known for traffic, pollution and concrete walls, can giving children both fresh air and stories to dream with change anything? Can the actions of young people really change how the next generation grows up?

A group of determined and passionate Bangladeshi youth from Dhaka believe that the answer is yes.

Dhaka is one of the most crowded and polluted cities in the world. Over 90% of us breathe air so toxic i...