Gunnair Gunnair:
No chance it's due to excessive and reckless overuse?
I'm sure some of it is, but as the article notes;
$1:
In 2005, more than 90 per cent of the fresh water being used went to the following sectors, in order: thermal-electric power generation, manufacturing and agricultural. The residential sector used just nine per cent.
The big change is the scale of industry and agriculture on the Prairies, which is far more intensive than it was 40 years go. The article notes that most of the water (67%) is used by hydro-electric dams.
The fact is that Western Canada lives largely on glacier water, and as they shrink, they are putting out less and less water every year. Tack on rising temps - which causes more evaporation - and voila, that's the formula for shrinking water supplies.