Namibia, Namib Desert, Kokerboom trees and Inselberg .

Greece, Pindos, Mountains.

Namibia, Namib Desert, Desert plant growing on wind rippled orange sand dune.

China, Dingbian, Great Green Wall.

Namibia, Namib Desert, Nara melon plant in the desert landscape generally eaten by the Oryx.

Namibia, Namib Desert, Sossusvlei, Desert sand dunes with lone tree in the foreground.

Turkey, Istanbul, Hagia Sophia Mosque with gardens in the foreground.

Sudan, North East, Agriculture, Beja nomad woman collecting acacia bean pods for use as animal fodder.

Colombia, Amazonas, Santa Isabel, Close view of manioc leaves a plant grown for its root which forms the basis of the Indian diet.

England, Cornwall, Treyarvon Bay, Wild flowers on cliff top near Padstow.

Bulgaria, General, Effect of acid rain on forest.

Brazil, Acre, Amazon, Sunlight across palms on edge of rainforest.