New Urban Agenda A/RES/71/256 51. We commit ourselves to promoting the development of urban spatial frameworks, including urban planning and design instruments that support sustainable management and use of natural resources and land, appropriate compactness and density, polycentrism and mixed uses, through infill or planned urban extension strategies, as applicable, to trigger economies of scale and agglomeration, strengthen food system planning and enhance resource efficiency, urban resilience and environmental sustainability. 52. We encourage spatial development strategies that take into account, as appropriate, the need to guide urban extension, prioritizing urban renewal by planni ng for the provision of accessible and well-connected infrastructure and services, sustainable population densities and compact design and integration of new neighbourhoods into the urban fabric, preventing urban sprawl and marginalization. 53. We commit ourselves to promoting safe, inclusive, accessible, green and quality public spaces as drivers of social and economic development, in order to sustainably leverage their potential to generate increased social and economic value, including property value, and to facilitate business and public and private investments and livelihood opportunities for all. 54. We commit ourselves to the generation and use of renewable and affordable energy and sustainable and efficient transport infrastructure and services, wh ere possible, achieving the benefits of connectivity and reducing the financial, environmental and public health costs of inefficient mobility, congestion, air pollution, urban heat island effects and noise. We also commit ourselves to giving particular attention to the energy and transport needs of all people, particularly the poor and those living in informal settlements. We also note that reductions in renewable energy costs give cities and human settlements an effective tool to lower energy supply costs. 55. We commit ourselves to fostering healthy societies by promoting access to adequate, inclusive and quality public services, a clean environment, taking into consideration air quality guidelines, including those elaborated by the World Health Organization, and social infrastructure and facilities, such as health-care services, including universal access to sexual and reproductive health -care services to reduce newborn child and maternal mortality. 56. We commit ourselves to increasing economic productivity, as appropriate, by providing the labour force with access to income -earning opportunities, knowledge, skills and educational facilities that contribute to an innovative and competitive urban economy. We also commit ourselves to increasing economic pr oductivity through the promotion of full and productive employment and decent work and livelihood opportunities in cities and human settlements. 57. We commit ourselves to promoting, as appropriate, full and productive employment, decent work for all and livelihood opportunities in cities and human settlements, with special attention to the needs and potential of women, youth, persons with disabilities, indigenous peoples and local communities, refugees, and internally displaced persons and migrants, particularly the poorest and those in vulnerable situations, and to promote non-discriminatory access to legal incomeearning opportunities. 58. We commit ourselves to promoting an enabling, fair and responsible business environment based on the principles of environmental sustainability and inclusive prosperity, promoting investments, innovations and entrepreneurship. We also commit ourselves to addressing the challenges faced by local business communities by 11/29