Join Childress as he discovers forbidden cities in the Empty Quarter of Arabia, 'Atlantean' ruins in Egypt and the Kalahari desert; a mysterious, ancient empire

This survey of ancient levels of lakes, rivers and sea, and changes in stalagmites and sediments shows an astonishing correlation between climate change and ris

Access to water in many parts of the world is increasingly challenging due to scarcity, quality issues and lack of access to adequate supply infrastructure. Cur

English summary: The names, origins, and by ways in the west, and the uses and 'imaginary' symbolism that has for centuries distinguished the commerce in incens