Water

 

 

70 % of the Earth is covered in water, and a large proportion of the Earth's population lives near water (rivers, lakes, estuaries, seas and oceans), as we rely on it for food, transport andrecreation. Water quality is heavily impacted by these human activities, which in turn may pose threats to human health. Although the proximity of water may be beneficial to coastal populations, it can also expose them to threats in the form of sea-level rise, flooding and tsunamis (see Disasters).

 

 

 

 

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