Future Life: Food and Water
Life on earth is under threat because of a lack of water.
Pollution, climate change and rapid population growth are the main reasons why the looming water shortage is the biggest crisis that the planet faces.
As a result of the detergents, soaps and other chemicals we shove down the sink, many of our seas and rivers are little more than open sewers.
In the Gulf of Mexico, for example, there is so much pollution contaminating the marine life that seventy five per cent of its sea mammals - whales and dolphins - will soon be classed as 'toxic waste'.
Meanwhile under the looming threat of global warming many populated areas are getting drier and drier