Conducted by a team of Indian researchers led by Swati Pattnaik and M. Vikram Reddy of the Department of Ecology and Environmental Sciences, at Pondicherry University, the research holds particular promise for dealing with the growing problem of
urban organic waste which is often dumped on the outskirts of major settlements, polluting soils and causing issues for groundwater contamination.
Like other urban farming initiatives, rooftop farms promote sustainable living by contributing to the local food production system and to recycling
urban organic waste.
In 14 chapters experts provide a «state of the art» of the knowledge and experience gained since the mid nineties of the past century in different types of urban agriculture (horticulture, forestry, livestock, aquaculture) and various key issues for policymaking and planning on urban agriculture (multi-stakeholder involvement and gender issues, integration in urban land use planning and multiple land use, economic aspects and marketing, productive reuse of
urban organic wastes and waste water, technology development for urban agriculture and financing urban agriculture.
Thirdly, urban agriculture and urban forestry contribute to disaster risk reduction and adaptation to climate change by reducing runoff, keeping flood plains free from construction, reducing urban temperatures, capturing dust and CO2, while growing fresh food close to consumers reduces energy spent in transport, cooling, processing and packaging, whilst productive reuse of
urban organic wastes and wastewater (and the nutrients these contain) reduces methane emissions from landfills and energy use in fertilizer production.
Not exact matches
To address environmental concerns, commercial vegetable growers are increasingly interested in using
organic mulches derived from agricultural or
urban byproducts and
waste, paper - based mulches, and biodegradable plastic films and fabrics as alternatives.
«Plans call for
urban «food factories,» where
organic vegetables can be grown with hydroponic techniques, employing liquid from the city's
waste stream.
This category includes some level of forest and agriculture residues left behind after harvest (some need to remain on the ground to maintain soil fertility); timber processing
wastes including sawdust and «black liquor;» and any unused manure,
urban wood
waste, municipal
organic waste, and landfill methane.
Provide information on developments or
urban districts such as a) soil specifications for development and infrastructure projects b) local zoning and permitting requirements for
organic waste processing and c) the status of existing food scrap programs (if applicable)
Such specific conditions include among others: limited availability of space and the high price of
urban land, proximity to large numbers of people (and thus a need for safe production methods), use of
urban resources (
organic waste and wastewater), and possibilities for direct producer - consumer contacts.
Input production and delivery may include activities like the collection and composting of
urban wastes, production of
organic pesticides, fabrication of tools, delivery of water, buying and bringing of chemical fertilisers, etc.).
In many cities, local or municipal initiatives exist to collect household
waste and
organic refuse from vegetable markets and agro-industries in order to produce compost or animal feed, but one can also find
urban farmers who use fresh
organic waste (which may cause environmental and health problems).
«Safe and productive use of solid and liquid
waste» implies using rainwater or wastewater (treated or untreated) and
organic waste (including human / animal excreta) in small - scale
urban and peri-
urban agricultural production, as part of resilient
urban development.
Strathcona County offers a full range of residential
waste management services for roadside
waste,
organics and recycling collection available for both
urban and rural residents.
The RUAF Foundation organises electronic conferences in cooperation with leading international organisations, including E-conferences on: «
Urban agriculture, nutrition and health» with UN FAO (Rome); «Integration of urban agriculture into urban land use planning» with UN Habitat (Nairobi); «Productive reuse of organic wastes and wastewater» with IWMI (Sri Lanka); «Urban aquaculture» with Stirling University (Scotland); and «The dynamics of urban food systems» with Wageningen University (the Netherla
Urban agriculture, nutrition and health» with UN FAO (Rome); «Integration of
urban agriculture into urban land use planning» with UN Habitat (Nairobi); «Productive reuse of organic wastes and wastewater» with IWMI (Sri Lanka); «Urban aquaculture» with Stirling University (Scotland); and «The dynamics of urban food systems» with Wageningen University (the Netherla
urban agriculture into
urban land use planning» with UN Habitat (Nairobi); «Productive reuse of organic wastes and wastewater» with IWMI (Sri Lanka); «Urban aquaculture» with Stirling University (Scotland); and «The dynamics of urban food systems» with Wageningen University (the Netherla
urban land use planning» with UN Habitat (Nairobi); «Productive reuse of
organic wastes and wastewater» with IWMI (Sri Lanka); «
Urban aquaculture» with Stirling University (Scotland); and «The dynamics of urban food systems» with Wageningen University (the Netherla
Urban aquaculture» with Stirling University (Scotland); and «The dynamics of
urban food systems» with Wageningen University (the Netherla
urban food systems» with Wageningen University (the Netherlands).
The city could turn some of its
organic waste into biochar instead of letting it decompose, and offer discounted biochar to
urban gardeners.
Implement a national program to shut down all
urban landfills and use the
organic material for
waste heat or fertilizer.
However, only 20 percent of
urban garbage was disposed harmlessly in the country through sanitary landfills, incineration and composting - a biological process in which
organic waste is turned into humus like substance and returned to the soil.