In addition to the purposed stated in Article VIII, section seven of this Constitution, the Commonwealth may be authorized by law to create a debt and issue bonds in the amount of $500,000,000 for a Land and Water Conservation and reclamation Fund to be used for the conservation and reclamation of land and water resources of the Commonwealth, including the elimination of acid mine drainage, sewage, and other pollution from the streams of the Commonwealth, the provision of State financial assistance to political subdivisions and municipal authorities of the Commonwealth of Pennsylvania for the construction of sewage treatment plants,t he restoration of abandoned strip-mined areas, the control and extinguishment of surface and underground mine fires, the alleviation and prevention of subsidence resulting from mining operations, and the acquisition of additional lands and the reclamation and development of part and recreational lands acquired pursuant to the authority of Article VII, section 15 of this Constitution, subject to such conditions and liabilities as the General Assembly may prescribe.