Santa Marta conference born out of frustration at Cop summits, where renewable progress has been stalled by major polluters Santa Marta conference born out of frustration at Cop summits, where renewable progress has been stalled by major polluters E verybody knows fossil fuels cause climate breakdown, but until recently, mention of them was all but erased from the annual UN climate summits. Last year, two weeks of discussions ended without fossil fuels being mentioned in the final outcome.