The idea of a "green" Lent was launched last year by two British Anglican bishops, who called for a "carbon fast," Bingham told AFP.
"We sent an email to the 30,000 people on our mailing list and we suggested tips to try to be as environmentally friendly as you can be," she said.
Among the tips: giving up your car, turning down the heat or buying local.
"This year, I gave up meat. Last year, I turned off my heat. I had to wear a ski parka inside my house. My children would not visit, they thought I'd gone crazy," Bingham said.
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