; and (B) is identified, consistent with sections 134(i)(2)(I)(iii) and 135(f)(10)(C)(iii), by the eligible entity with jurisdiction over the area in which the route is located for the purposes described in subparagraph (A). ; (G) by inserting after paragraph (14), as so redesignated, the following: (15) Greenhouse gas The term greenhouse gas has the meaning given the term in section 211(o)(1)(G) of the Clean Air Act ( 42 U.S.C. 21 7545(o)(1)(G)). ; (H) by inserting after paragraph (21), as so redesignated, the following: (22) Natural infrastructure (A) In general The term natural infrastructure means infrastructure that uses, restores, or emulates natural ecological processes that— (i) is created through the action of natural physical, geological, biological, and chemical processes over time; (ii) is created by human design, engineering, and construction to emulate or act in concert with natural processes; or (iii) involves the use of plants, soils, and other natural features, including through the creation, restoration, or preservation of vegetated areas using materials appropriate to the region to manage stormwater and runoff, to attenuate flooding and storm surges, and for other related purposes. (B) Inclusion The term natural infrastructure includes green infrastructure and nature-based solutions. ; (I) by inserting after paragraph (26), as so redesignated, the following: (27) Protective feature (A) In general The term protective feature means an improvement to a highway or bridge designed to increase resilience or mitigate the risk of recurring damage or the cost of future repairs from climate change effects, extreme events, seismic activity, or any other natural disaster. (B) Inclusions The term protective feature includes— (i) raising roadway grades; (ii) relocating roadways to higher ground above projected flood elevation levels or away from slide prone areas; (iii) stabilizing slide areas; (iv) stabilizing slopes; (v) lengthening or raising bridges to increase waterway openings