The green colour of Earth's forests is not accidental. Plants contain chlorophyll, a pigment that absorbs red and blue ...

Vast swathes of territory in Cameroon are used to farm eucalyptus trees - either for timber or for electricity poles. Many people ...

South Africa’s efforts to combat water-greedy invasive alien trees are facing a series of critical setbacks following a 78% cut ...

It is a very strange island far out in the Arabian Sea, off the coast of Yemen, and is often referred to as the most alien ...