People across the world are reviving streets, towns and deserts with trees
Two residential towers in Milan have over 900 trees and 11,000 plants
Plants talk and share resources using an underground network called the "Wood Wide Web"
The impact of climate change could be reduced by increasing global forest cover
A plan to bring the dry lands back to life.
Jose Luis Alvarez has planted millions of trees to protect the monarch butterfly
Ti Østmo has celebrated her birthday by holding a climate change rally on the beach
People living in Paris are planting little gardens in the streets
Mbarouk Mussa Omar has planted over a million trees in the Zanzibar archipelago
Tom Otto and Shaun Sears have rescued thousands of cats stuck in huge trees
The churches saving Ethiopia's trees
A team of German designers has reinvented the tree to clean up urban air pollution.
The US Forest Service reveals how much trees actually help tackle air pollution