Walt Disney Animation Studios’ Zootopia 2 has roared past the $1 billion threshold at the global box office, achieving the massive milestone in just 17 days. This phenomenal pace makes it the ...

It's a Treehugger's dream come true. Leafsnap is a free app that identifies plant species of all kinds, from flowers and bark to fruit and trees. Go for a walk, take a shot of a leaf, and this little ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaves are the food factories of the tree. Powered by sunlight, the green ...