The chance to buy a carbon offset—in essence, an emissions indulgence—appeals to the environmental sinner in all of us. But there is an older path to reducing our impact on the planet that will feel familar to Evangelical Christians and Buddhists alike. Live simply. Meditate. Consume less. Think more. Get to know your neighbors. Borrow when you need to and lend when asked. E.F. Schumacher praised that philosophy this way in Small Is Beautiful: "Amazingly small means leading to extraordinarily satisfying results."