[07:01.63]but these cause another problem.
[07:05.99]They carry all of the water away.
[07:10.92]Not much water can sink into the holding areas under the ground.
[07:17.29]The once unlimited supply of fresh,clean water is now limited.
[07:25.25]Nature's recycling system is in danger.
[07:30.83]Because of water,Earth is a living planet.
[07:37.27]People can live here because of
