Climate change could disrupt nearly half of the world's groundwater supply within 100 years.
Water access is becoming a battleground.
Ottawa is pretty sure it knows what this rash is, but isn't quite sure where it's coming from. In the meantime, it's getting children out of this remote community.
Isolated reserves in northern Ontario rely on ice roads to transport supplies in the winter, but warmer weather means those roads haven't frozen yet, so food and water are in short supply.
This has made life difficult for First Nations people, who are already struggling with the other consequences of a series of droughts.