One&third of Australia's vital groundwater reserves is under threat. Here's how you can help
A scientific team from Western Australia says reduced rainfall, over-extraction for agriculture and contamination from mining has caused a decline in the country's vast subterranean water reserves.
Tomas Kauer - News Moderator 
A scientific team from Western Australia says reduced rainfall, over-extraction for agriculture and contamination from mining has caused a decline in the country's vast subterranean water reserves.
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