Fill in the blanks to complete the passage about ways that buildings and infrastructure can lower environmental impacts. - are where plants are grown on top of buildings and made into park-like retreats for workers. This can also help improve the heating and cooling efficiency of the building. Bioswales and - help absorb stormwater while also providing green space. Leadership in Energy and Environmental Design (LEED) is a certification system that incentivizes builders to incorporate features to - a building's environmental impact. These are examples of - , which incorporates green spaces into urban spaces. increasemixed-use areasgreen roofsreducerain gardensgreen infrastructure