In addition to any other funds otherwise authorized to be appropriated for the purpose of conducting climate-related programs, there are authorized to be appropriated to the Secretary, for the purpose of carrying out the provisions of this chapter, not to exceed $50,000,000 for the fiscal year ending September 30, 1979, not to exceed $65,000,000 for the fiscal year ending September 30, 1980, and not to exceed $25,500,000 for the fiscal year ending September 30, 1981, of which amount not less than $2,653,000 shall be made directly available to the National Climate Program Office in the form of a budget item separate from the activities of the National Oceanic and Atmospheric Administration.