PENNSYLVANIA, USA — Ever wonder what happens to oxygen levels when leaves fall off the trees? Joe lets us know how we are still able to breathe. Find out the answer in this edition of Wham Cam.

Why do some trees not lose their leaves in winter? And why do leaves sometimes not change color in fall? Get expert answers.

Focus on removing branches that are dead, weak, rubbing against others, or growing in the wrong direction to improve plant health. Deciduous trees like Japanese maples can be thinned out to showcase ...

Here comes the free mulch! And compost, and fertilizer, and insulation — all swirling down from the trees in the form of colorful leaves. “The leaves that fall in autumn are a gift,” said Spencer ...

Michigan's fall colors are a pretty sight, but as leaves start dropping to the ground, they suddenly become your next yard chore. Recycling leaves, rather than raking them away, offers environmental ...