Classifying the world’s tallest, thickest, biggest, and oldest trees can be an extreme challenge. For the National Geographic “Extreme Trees” poster, featured in several of the magazine’s international editions, we took a look at what counts when measuring. Trees grow, limbs fall, ways of measuring change, and new trees are discovered, so figuring out which trees to highlight wasn’t easy.
Click the image for full-size visualization:




1. June 2010 at 2:39 pm
RT @Soiled_Earth: Extreme Trees http://bit.ly/awUtga
1. June 2010 at 2:41 pm
Extreme Trees http://bit.ly/awUtga
1. June 2010 at 3:15 pm
I need a larger monitor for this one.