Everyday we make use of a huge variety of products and services that can only be provided by certain species of tree.
Some of these trees, such as those that provide food, medicine or timber have a direct and essential value to humanity. Others have more indirect benefits that are more difficult to quantify. For instance, certain trees are ecologically important, sustaining a myriad of animal and plant species whereas others have great cultural significance to different people and societies.
The diverse range of values attached to different tree species illustrates the need to maintain not just tree cover, but the full, diversity of the world's trees.