Contact the Office of the Bulacan Environment and Natural Resources Office, to report mining activities, pollution and dust at Pinagrealan Cave, a National Historical Site and Protected Cave.
Make a demand that all mining at Pinagrealan Caves by Spar Development Company is stopped immediately. This is a protected cave and a National Historical Commission registered historical location which must be preserved.
Post on their Facebook page & Message them on Facebook!
Call them and email them!