DENR-CAR offices among Most Harmonious Offices in Luzon. The Department of Environment and Natural Resources-CAR has been feted as one of the Most Harmonious Offices among all Regional Offices in Luzon. The Environmental Management Bureau-CAR, on the other hand, is recognized also for the same award among all EMB and Mines and Geosciences Bureau Regional Offices in Luzon. At the PENRO level, PENRO Abra, PENRO Kalinga, and PENRO Mountain Province were conferred the award for having zero complaints at the DENR Action Center and Hotline 8888.