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 ...

South Africa’s efforts to combat water-greedy invasive alien trees are facing a series of critical setbacks following a 78% cut in budget to the environmental programmes charged with implementing ...

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 ...