I was happy to see that
This is a big problem for Earth Day's future. As the hypothesis that humanity's carbon dioxide emissions are causing dangerous global warming falls into disrepute, all those associated with the climate alarm will also lose credibility. Earth Day participants, indeed all practical environmentalists, must distance themselves from the ideologically-driven climate scare or risk the movement degenerating into irrelevance.
Tom Harris, Ottawa, Ontario, Canada
The writer is executive director of the International Climate Science Coalition.