SECTION 1. Paragraph C of Section 10 of Chapter 70B of the General Laws, as appearing in the 2010 Official Edition, is hereby amended by adding after subsection (c) the following subsection:-

(d) For approved school projects that are designed and constructed to meet or exceed LEED Silver certification, as defined by the U.S. Green Building Council, the reimbursement percentage shall be the sum of: (a) the percentage calculated pursuant to subsections (a) and (b); (b) the percentage calculated pursuant to paragraph (c) of subsection (C); and (c) 10 percentage points. If said percentage points are given, the total reimbursement percentage may exceed the maximum grant percentage under the first paragraph of this section by no more than 5 percentage points.

SECTION 2. Chapter 7 of the General Laws is hereby amended by adding after Section 42K the following new section:-

Section 42L. All construction, as defined in section 39A of this chapter, undertaken by any state agency, under the supervision of the division of capital asset management and maintenance, that is majority financed or funded from an appropriation or the issuance of bonds, notes, or other evidence of indebtedness of the commonwealth shall be designed and constructed to meet or exceed LEED Silver certification, as defined by the U.S. Green Building Council.

SECTION 3. Chapter 40A of the General Laws is hereby amended by adding the following new section:-

Section 18. New homes consisting of at least 5,000 square feet of area in the case of single-family residential use and at least 7,500 square feet of area in the case of two-family residential use shall be designed, built, and certified to LEED Silver standards, as defined by the U.S. Green Building Council.