In the sweltering, triple-digit Washington, D.C. heat, the climate change group planned to mock global warming skeptics on Capitol Hill Saturday morning by melting an ice sculpture shaped into the word “Hoax?”

Early Saturday, however, group founder and “Fight Global Warming Now” author Bill McKibben sent a cancellation notice to participants, claiming he was calling off the stunt out of sensitivity to those suffering in the heat wave — especially people in West Virginia.

“I think I screwed up,” McKibben began, explaining that while melting a statue was a good way to draw attention to global warming, it could also have offended those suffering in tough times. […]