DETROIT LAKES — Dear daughter Arja and Unborn Child, I’m writing this letter at both Tamarac National Wildlife Refuge and Bad Medicine Lake as you take a pre-hike nap. I treasure moments like these because I know how they could be taken away by either becoming “developed land” or affected by climate change. Arja, as your mother, in my mid-thirties, it was a huge decision to bring you into this world. I don’t see myself as a perfect person who ha…