It means that it's a very big challenge.
On January 29th, 2015. See this statement in context.
On January 29th, 2015. See this statement in context.
January 29th, 2015 / 4:50 p.m.
Assistant Deputy Minister, Canadian Forest Service, Department of Natural Resources
It means that it's a very big challenge.
See context to find out what was said next.