[Friends are not sufficiently] sensitized to environmental issues, and the result has been that we are now only slightly more awake to their significance than the average American . . . [As] individuals, many of us have become involved with environmental organizations, or have spoken out on special concerns within the environmental arena.
Many new initiatives to promote "carbon offsets" have emerged since the letter below was published.
One overview of such initiatives is found in the May 17, 2019, article by Anderw Wan, "Staying Green While Traveling."
Dear Grandchildren: I am writing this letter for you to read twenty years from now. I write it as an act of hope. By the time you read this, world will look very different. While I am concerned about the life we are leaving you, I have faith in the unexpected (reality always has a way of messing up our best forecasts).