Environmental law: then and now -- Environmental and other related laws and policies enforcement agencies -- Environmental laws and policies and their salient provisions -- 1. Presidential decree no. 705 or the revised forestry code of the Philippines -- 2. Presidential decree no. 856 or the code on sanitation of the Philippines -- 3. Presidential decree no. 979 or the marine pollution decree of 1976 -- 4. Presidential decree no. 1067 or the water code of the Philippines -- 5. Presidential decree no. 1151 or the Philippine environmental policy -- 6. Presidential decree no. 1433 or the plant quarantine decree of 1978 -- 7. Presidential decree no. 1586 or the decree establishing an environment impact statement system including other environmental management related measures and for other purposes -- 8. Republic act no. 4850 or the Laguna lake development authority act -- 9. Republic act no. 6969 or the toxic substances and hazardous waste act -- 10. Republic act no. 7076 or the People's small-scale mining act of 1991 -- 11. Republic act no. 7586 or the National integrated protected areas system act including all laws, decrees, orders, proclamations and issuances establishing protected areas -- 12. Republic act no. 7942 or the Philippine mining act of 1995 -- 13. Republic act no. 8371 or the indigenous peoples rights act -- 14. Republic act no. 8550 or the Philippine fisheries code of 1998 -- 15. Republic act no. 8749 or the clean air act of 1999 -- 16. Republic act no. 9003 or the ecological solid waste management act -- 17. Republic act no. 9147 or the wildlife conservation and protection act -- 18. Republic act no. 9175 or the chainsaw act of 2002 -- 19. Republic act no. 9275 or the clean water act -- 20. Republic act no. 9729 or the climate change act -- 21. Republic act no. 10121 or the Philippine disaster risk reduction and management act of 2010.