Every local government unit shall exercise the powers expressly
granted. Those necessarily implied therefrom, as well as powers necessary,
appropriate or incidental for its efficient and effective governance and those
which are essential to the promotion of the general welfare. Within their
respective territorial jurisdictions, local government units shall ensure and
support among other things, the preservation and enrichment of culture
promote health and safety, enhance the right of the people to a balance
ecology, encourage and support the development of appropriate and selfreliant scientific and technological capabilities, improve public morals, enhance
economic prosperity and social justice, promote full employment among their
residents, maintain peace and order and preserve the comfort and convenience
of their inhabitants. (Sec. 16 RA 7160).