Less rain will fall in the Darling River catchment as climate change worsens. This fact must be central to decisions about how much water can be taken from the system.
James Harris, Université du Québec à Montréal (UQAM) and Marie Larocque, Université du Québec à Montréal (UQAM)
In Canada, groundwater is generally abundant and lakes are ubiquitous. But the exchanges between groundwater and lakes are complex and often invisible.
A lack of human activity in the Southern Ocean is just one reason why the air is so clean. Clouds and rain play a vital role in scrubbing the atmosphere, removing natural airborne particles too.
You might be wondering: what is a ‘Black Nor'easter’, what’s causing all this rain and does it have anything to do with climate change? Here’s what you need to know.
Natural variability in Australian rainfall can produce “mega-droughts” lasting 20 years or more. Add in human-caused climate change, and future droughts may be far worse than imagined.
Once the immediate crisis in North Queensland has subsided, authorities will need to grapple with how to deal with the ‘new normal’ of extreme weather events. The big question is: are they prepared?