Tom Oder is a writer, editor, and communication expert who specializes in sustainability and the environment with a sweet spot for urban agriculture. There's a term for this curious leaf-retention ...

Above: This photo tells an entire story. Taken at Roan Mountain State Park in Tennessee in January, it shows most of the deciduous trees are bare. However, you can easily see the light tan colors of ...

Eucalyptus trees -- or gum trees as they are known -- are drawing up gold particles from the earth via their root system and depositing it their leaves and branches. Eucalyptus trees in the Kalgoorlie ...