The LEED for Neighborhood Development (LEED ND) rating system encourages sustainable development practices that promote smart growth, urbanism, and green building. One of the key prerequisites under the Smart Location and Linkage (SLL) category is Agricultural Land Conservation, which aims to protect prime agricultural soils and important farmlands.
In the context of the provided scenario where a non-infill site has prime agricultural soils in areas planned for construction, the prerequisite emphasizes minimizing the impact on these valuable soils. The correct strategy, according to the LEED ND standards, is to purchase off-site comparable soil easements to mitigate the loss of affected soils (option D). This approach aligns with the intent to conserve agricultural land by ensuring that the lost agricultural capacity is compensated for elsewhere.
References:
* LEED v4 Neighborhood Development Guide: This document outlines the prerequisites for Smart Location and Linkage, emphasizing the protection of prime agricultural lands (USGBC, LEED v4 Neighborhood Development Current Version).
* LEED Reference Guide for Neighborhood Development: Provides detailed criteria and acceptable measures for fulfilling the Agricultural Land Conservation prerequisite (USGBC, LEED Reference Guide for Neighborhood Development).
* USGBC Official Website: The USGBC page on LEED for Neighborhood Development discusses the importance of conserving prime agricultural soils and the acceptable strategies for mitigating the loss of these resources (USGBC, LEED for Neighborhood Development Rating System).
This approach is preferred as it ensures that the loss of valuable agricultural land due to development is compensated by protecting an equivalent area of prime agricultural soils, thus supporting the broader goals of sustainability and conservation within the LEED ND framework.

For a site to qualify as an infill site under LEED for Neighborhood Development, at least 75% of the boundary must border parcels that are developed, meaning they have been previously disturbed by human activity. In this scenario, the addition of a library on a parcel that is 75% developed on the west side of the site would meet the criteria for an infill site because it would ensure that the site is surrounded by developed parcels.
* Infill Development Criteria:Infill development is central to the LEED-ND program as it encourages the use of land within existing urban areas rather than contributing to urban sprawl. The requirement that 75% of the boundary borders developed parcels ensures that the site is integrated into an already developed area, making it easier to connect to existing infrastructure and services.
* Development Status of Parcels:The key factor in determining whether a site qualifies as infill is the extent of development on adjacent parcels. A parcel is considered developed if a significant portion (typically 50% or more) has been altered by human activity, such as buildings, roads, or other infrastructure.
* Scenario Analysis:In the given scenario:
* North: Forest land (undeveloped)
* East: Church (100% developed)
* South: School (50% developed)
* West: The library (75% developed)
Detailed Explanation:The addition of the library on a 75% developed parcel ensures that the site meets the infill criteria, as it increases the percentage of the boundary that is adjacent to developed parcels.
* The LEED-ND Reference Guide provides criteria for what constitutes infill development under the Smart Location & Linkage (SLL) category.
* Detailed guidelines and examples can be found in theLEED v4 Neighborhood Development documentation, which clarifies the requirements for infill sites.
References:For more comprehensive information, consult the following resources:
* LEED Reference Guide for Neighborhood Development
* LEED v4 Neighborhood Development

For a project to be eligible for the Neighborhood Pattern and Design Prerequisite on Compact Development, particularly when dealing with density limits, setting aside a portion of the land as a protected community open space easement can help meet the prerequisite requirements. By dedicating 15% of the total land area as protected open space, the project demonstrates a commitment to sustainable land use and enhances community amenities, which aligns with the LEED ND goals. This approach can help to balance density with green space, even in areas where transit service is limited.
References:
* LEED v4 for Neighborhood Development, Current Version
* LEED Reference Guide for Neighborhood Development

The Neighborhood Pattern and Design Credit for Reduced Parking Footprint aims to minimize the environmental impact associated with parking facilities and promote sustainable transportation options.
Among the choices provided, the strategy of placing carpool spaces within 300 feet (90 meters) of building entrances is an acceptable strategy. This option encourages carpooling and reduces the total number of parking spaces needed, thereby supporting the overall goal of reducing the project's parking footprint. Off- street parking in front of buildings and large surface parking lots are generally discouraged as they contribute to sprawl and are less sustainable.

In LEED terminology, a previously undeveloped site is one that has not been significantly altered by human activity, such as by construction or paving. An improved park with manicured landscaping and paved playground areas would be considered previously developed because it has been altered from its natural state.
The other options, involving areas with substantial building footprints, also indicate previously developed land. Therefore, the area described in option D, despite being relatively small, is the correct choice as it reflects human alteration of the land, making it a developed site.