Original sentence: Monbiot also says that carbon offsets are an excuse for business as usual with regards to pollution
Edited sentence: The indulgence is granted by the church after the sinner has confessed and received absolution.[From the Wikipedia entry - Indulgence, in Roman Catholic theology, is the (full or partial) remission of temporal punishment due to sins which have already been forgiven.]  Monbiot also says that carbon offsets are an excuse for business as usual with regards to pollution