10-Year-Olds Take on Global Warming

10-year-old Cassandra and her friends were inspired to do something when she learned about global warming. They came together with a fantastic idea to recycle oil in their community, and they have offset 3 million pounds of CO2 emissions and heated the homes of 400 families in need. Seven years later, they’re continuing the fight for change and are now looking to expand it to rest of the country.

Video by upworthy