The purpose of this subchapter is to provide funding to implement the conservation program described in 65 Del. Laws, c. 212, and safeguard this funding in perpetuity. Funding to achieve the purposes of this subchapter shall be provided from appropriations by the State, grants from the federal government, funds in the Conservation Trust Fund and the earnings thereon, private donations and any other sources which may be available from time to time. The Department is authorized and directed to encourage and seek funding from any available private and public sources.