Tanggol Kalikasan (Defense of Nature) is a non-stock, non-profit and non-governmental organization doing public interest lawyering in the Philippines. It has operated as an environmental law office for 17 years already. Tanggol works with national and international partners and networks and has its main office in Quezon City. It also maintains fully-staffed area offices in Alaminos City (Tanggol sa Hilagang Luzon), Lucena City (Tanggol sa Timog Katagalugan) and Legaspi City (Tanggol sa Kabikulan). 

Vision
The organization envisions an empowered society that relates with its environment in a just and sustainable manner for the equitable benefit of all Filipinos.

Mission
Its mission is to facilitate the empowerment of communities and institutions to manage their ecosystem through law and other creative mechanisms.

Goals
Conscious of the power of an organized and informed citizenry, Tanggol’s programs are aimed at encouraging greater citizen’s participation in environmental law enforcement and policy-making on resource allocation.