Hello Garry.  This looks like winter desiccation where our evergreens do not get enough fall and winter water.  Foliage that is still brown/orange will likely die.  It will take a few years for evergreens to "mask" the damage. Many native pines have already pushed out “candles” of fresh green needles.

This fact sheet discusses the importance of fall and winter watering:

https://extension.colostate.edu/topic-areas/yard-garden/fall-and-winter-watering-7-211/