CAPE TOWN (Reuters) - In South Africa's Franschhoek mountains a helicopter drops off abseilers to cut down invasive pine trees that are choking off water supplies to millions of Cape Town residents ...

A look at the surreal landscapes of Socotra, home to some of the most unusual and alien-looking trees on Earth. Known for ...

The green colour of Earth's forests is not accidental. Plants contain chlorophyll, a pigment that absorbs red and blue wavelengths of sunlight while reflecting green light. This process allows plants ...

The commercial timber plantations at Newlands are of invasive alien pine trees. These spread their seeds en masse into the surrounding indigenous vegetation. Newlands Forest. Cape Town. Source – S ...

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-looking place on earth. This has been accumulated on Socotra, one of a group ...