a system for removing carbon dioxide from an atmosphere to reduce global warming including an air extraction system that collects carbon dioxide from the atmosphere through a medium and removes carbon dioxide from the medium ; a sequestration system that isolates the removed carbon dioxide to a location for at least one of storage and generation of a renewable carbon fuel ; and one or more power supplying units that supply heat to the air extraction system to remove the carbon dioxide from the medium , at least one of the one or more power supplying units being a fossil fuel plant .