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5.1 Climate change is defined by the Intergovernmental Panel on Climate Change [1] as a change in the state of the climate that persists for an extended period, typically decades or longer. There is clear evidence that the global climate is warming and sea levels are rising, with more severe and sustained rainfall events projected in the UK [2].
5.2 Although natural factors influence variations in the climate, human influence on it is clear [3] and it is extremely likely that human activity has been the dominant cause of warming since the mid-20th Century [4] by increasing the concentration of greenhouse gases in the atmosphere, which trap heat there. The greatest contribution to climate change has been from carbon dioxide, the primary source of which is fossil fuel use, though deforestation, land clearance for agriculture and degradation of soils also contribute to its release. Other greenhouse gases include methane (such as from agricultural activities, fossil fuel extraction and the decay of organic waste in landfill sites), nitrous oxides (from agricultural activities, especially nitrogen-fertilised soils and livestock waste, and industrial processes), and hydrofluorocarbons (which are used as refrigerants, aerosol propellants, solvents and fire retardants).
5.3 The Climate Change Act 2008 introduced a legally binding target for the UK to reduce its carbon emissions by at least 80% by 2050 compared to 1990 levels. In June 2019, the Prime Minister announced that this will be strengthened to a net zero target for 2050.
5.4 More ambitious and challenging targets have been established at the local level. In July 2019, Salford City Council declared a climate emergency. This included setting a date of 2038 for carbon neutrality in Salford, which matches the target for the whole of the sub-region established in the 5-Year Environment Plan for Greater Manchester [5]. To help achieve carbon neutrality by 2038, a target has been set that all new development should be zero carbon from 2028.
5.5 Salford has seen major progress in recent years, with a 33% reduction in total carbon dioxide emissions over the period 2005-2017, and a 41% reduction in per capita emissions. However, the city has the second highest per capita emissions of the ten Greater Manchester districts, at 5.0 tonnes per annum compared to the sub-regional average of 4.3 tonnes per annum. This is largely due to large contributions from transport, particularly from traffic on the motorways and A roads in the city, which are the highest per capita in Greater Manchester.
5.6 The widespread and potentially devastating impacts of climate change place a responsibility on us all to minimise our carbon emissions, and this must be seen as an essential component of all development. As well as taking actions to reduce emissions, it will also be important to maximise natural processes that can take carbon out of the atmosphere and lock it into features such as peat and trees, known as ‘carbon sequestration’.
5.7 Even with concerted action now, current levels of greenhouse gases in the atmosphere will lead to changes in the climate, such as increased average global temperatures, more extreme weather events and heightened flood risk. It will be vital to the long-term sustainability of Salford, and the health, safety and quality of life of its residents, that the city is designed to adapt to changes in the climate. Green infrastructure will have a major role to play in this, helping to mitigate the impacts of high temperatures, reduce flood risk, and maintain biodiversity.
5.8 Some of the necessary actions for tackling climate change, such as improving energy efficiency and increasing the provision of green infrastructure, could have direct benefits for residents by reducing energy bills and providing a higher quality environment. They may also open up business opportunities that will help Salford to develop a low carbon economy.
5.9 Climate change is a cross cutting theme of the Local Plan, with the majority of chapters contributing to mitigating and adapting to climate change and particularly those on energy, air quality and pollution and hazards, biodiversity, water, green infrastructure, accessibility, design, efficient and coordinated use of land, economic development and housing.
Development shall support Salford becoming carbon neutral by 2038, through where relevant:
5.10 The main indicators that will be used to monitor this chapter are:
Indicator | Baseline position | Target |
---|---|---|
Per capita carbon dioxide emissions | 5.0 tonnes CO2 per person [6] | Significant reduction, working towards carbon neutrality by 2038 (2019-37) |
[1] Intergovernmental Panel on Climate Change (IPCC) (2013) Fifth Assessment Report. Climate Change 2013. The Physical Science Basis.
[2] Committee on Climate Change (July 2016) UK Climate Change Risk Assessment 2017 – Synthesis report: priorities for the next five years, p.2
[3] Intergovernmental Panel on Climate Change (IPCC) (2013) Fifth Assessment Report. Climate Change 2013. The Physical Science Basis.
[4] Committee on Climate Change
[5] Greater Manchester Combined Authority (March 2019) 5-Year Environment Plan for Greater Manchester
[6] Department for Business, Energy & Industrial Strategy (June 2019) UK local authority and regional carbon dioxide emissions national statistics.