In the fall of 2007 he resolved to see for himself how Earth's tallest forest had ... "My idea is to cut less trees and make more money per tree," says Jim Able, a former industrial forester ...

The researchers were surprised to find that Earth has more than 3 trillion trees. But that number is declining quickly. Produced by Alex Kuzoian Follow BI Video: On Facebook More from Science A ...

trees through the hands of children and parents across North America. The organization gave more than 67,000 children their own tree last Earth Day and is aiming to reach 100,000 kids for Earth ...