Cal. Const. art. XVI § 14
The Legislature may provide for the issuance of revenue bonds to finance the acquisition, construction, and installation of environmental pollution control facilities, including the acquisition of all technological facilities necessary or convenient for pollution control, and for the lease or sale of such facilities to persons, associations, or corporations, other than municipal corporations; provided, that such revenue bonds shall not be secured by the taxing power of the State; and provided, further, that the Legislature may, by resolution adopted by either house, prohibit or limit any proposed issuance of such revenue bonds. No provision of this Constitution, including, but not limited to, Section 25 of Article XIII and Sections 1 and 2 of Article XVI, shall be construed as a limitation upon the authority granted to the Legislature pursuant to this section. Nothing herein contained shall authorize any public agency to operate any industrial or commercial enterprise.
Cal. Const. art. XVI § 14