Md. Code, Land Use § 20–523

A qualifying redevelopment project shall incorporate environmentally responsible design elements that promote:

(1) water conservation by using practices, techniques, and technologies that:

(i) reduce the consumption, loss, or waste of water;

(ii) improve efficiency in the use of water; or

(iii) make more efficient use of the water treatment infrastructure;

(2) energy efficiency by using practices, techniques, and technologies that reduce and minimize the consumption, loss, or waste of energy; and

(3) the use of recycled or recyclable building materials.