Seeing blue dots, red Xs, orange circles and purple bands on trees and wondering what they mean? Here's what we found out ...

The Tabebuia caraiba is a beautiful, yellow tree that is also blooming along our streets. They grow to 25 feet in height and have a compact, upright habit of growth making them a good choice when ...

A beachside community in an affluent city suburb is concerned for the fate of a "beloved" native tree, likely many decades old, after it was found marked with two ominous "yellow Xs". Manly locals ...

Wait, what about pine trees? If you’ve lived in Tallahassee for long, you’re familiar with the thick yellow-green pollen coating cars and sidewalks every spring. It looks like a top allergy ...

The yellow-spotted tree frog is also known as the yellow-spotted bell frog, the New England swamp frog or the tablelands bell frog. It’s listed on the Red List of the International Union for ...

About half a pound of the yellow powder could remove carbon dioxide from the air at a level on par with a large tree. Zihui Zhou, UC Berkeley Especially promising is how COF-999 releases carbon ...

Earlier this year, scientists at the University of California, Berkeley, filled a device with bright-yellow powder ... roughly as much as a large tree. Because the material is energy-efficient ...

A typical large tree can suck as much as 40 kilograms of ... they can do the same job with less than half a pound of a fluffy yellow powder. The powder was designed to trap the greenhouse gas ...

Fall in the Colorado Rockies is hard to beat. Fewer tourists, the turning of the colors, the free fall music festivals. Free? Wait, did you read that right? For the second year in a row, the ...

Yellow poplar (Liriodendron tulipifera) is considered one of the tallest hardwood trees in North America. This large, deciduous tree is located in Zones 1-6. It grows best in moist soil on ...

When Osseo’s Yellow Tree Theatre presented the local premiere of Dominique Morisseau’s “Skeleton Crew” in early 2020, it brought audiences into the lives of four workers at a Detroit plant ...