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Environment
  • Updated 3 months ago

    Draft London Environment Strategy Consultation 2017

    Greater London Authority (GLA)
    The draft London Environment Strategy set out the Mayor’s vision of London’s environment to 2050. The draft strategy was published on the London.gov.uk website on 11 August 2017 for a 14-week public consultation. It set out the Mayor’s ambition to make London the greenest global city. The Report to the Mayor provides a high-level summary and analysis of the issues raised during the consultation of the draft strategy, from both technical...
  • Updated 3 months ago

    Equality, Diversity and Inclusion Evidence Base for London

    Greater London Authority (GLA)
    The Mayor has a role to play in leading, shaping and responding to changes in London through the work of the GLA group. Inclusive London: the Mayor's equality, diversity and inclusion strategy sets out how he will help address the inequalities, barriers and discrimination experienced by groups protected by the Equality Act 2010, as well as wider issues. These include poverty and socio-economic inequality, and the challenges and disadvan...
  • Updated 4 months ago

    London Atmospheric Emissions Inventory (LAEI) 2010 Air Quality Focus Areas

    Greater London Authority (GLA)
    The LAEI 2010 has since been superseded. Click here for the full list of releases. There are 187 Air Quality Focus Areas in the Capital. These are locations that not only exceed the EU annual mean limit value for NO2 but are also locations with high human exposure. The Focus Areas were defined to address concerns raised by boroughs within the LAQM review process and forecasted air pollution trends. This is not an exhaustive list of Lon...
  • Updated 5 months ago

    Local Authority Maintained Trees

    Greater London Authority (GLA)
    We set ourselves the challenge of collating London’s tree data into one open source place to get a picture of London’s trees.  We requested tree data from London boroughs and TfL in late 2014. The data mainly covers street trees, although it also includes some park trees, and contains location and species information for over 700,000 trees. It is estimated that there are around eight million trees in London, so this information is only ...
  • Updated 8 months ago

    London Energy and Greenhouse Gas Inventory (LEGGI)

    Greater London Authority (GLA)
    The London Energy and Greenhouse Gas Inventory (LEGGI) shows greenhouse gas emissions and energy consumption from homes, workplaces and transport within the Greater London area. It is produced on an annual basis to measure progress against the Mayor's carbon reduction targets for London. The LEGGI uses sub-regional energy (electricity, gas and other fuels) and carbon dioxide equivalent (CO2e) data published by the Department of Busines...
  • Updated 9 months ago

    Natural Capital Account for London

    Greater London Authority (GLA)
    This is the first natural capital account for London, and was supported by the Mayor of London, the National Trust and the Heritage Lottery Fund. The natural capital account assesses the economic value of different benefits that London and Londoners gain from the city’s public parks and other green spaces. For more information on the methodology and results of this analysis, please see the London.gov.uk website.
  • Updated 10 months ago

    PM2.5 map and exposure data

    Greater London Authority (GLA)
    This report contains an introduction to PM2.5­, summarises our current understanding of PM2.5 concentrations and exposure, discusses the findings of research undertaken by the GLA and TfL into the extent of PM2.5 pollution in London, and assesses the potential for meeting World Health Organisation guidelines by 2030. Our analysis found that at present all Londoners are exposed to concentrations higher than WHO air quality guidelines, bu...
  • Updated 10 months ago

    Green roofs in the Central Activities Zone

    Greater London Authority (GLA)
    Overview An updated spatial data set for existing green roofs has been produced for London's Central Activities Zone (CAZ) using 2015 aerial imagery. The CAZ makes up around two per cent of London's total area. Method ArcMap GIS software was used to map green roofs installations. The aerial imagery was loaded into the software in true colour (RGB) and infrared (IR) composites, along with the CAZ boundary and London 500x500m Ordnance ...
  • Updated 10 months ago

    Annual London Survey 2000 - 2011

    Greater London Authority (GLA)
    This dataset contains the topline results from the Annual London Surveys undertaken between 2000 and 2011 (there was no survey was 2008). Responses for these surveys were collected by conducting approximately 1,400 face-to-face interviews (exact numbers vary year on year) in respondents’ homes. From 2014 onwards the Annual London Survey has been delivered by Talk London, City Hall’s online research community. The results for these surv...
  • Updated 10 months ago

    Mortality Risk from High Temperatures in London (Triple Jeopardy Mapping)

    Greater London Authority (GLA)
    A heatwave refers to a prolonged period of unusually hot weather. While there is no standard definition of a heatwave in England, the Met Office generally uses the World Meteorological Organization definition of a heatwave, which is "when the daily maximum temperature of more than five consecutive days exceeds the average maximum temperature by 5°C, the normal period being 1961-1990". They are common in the northern and southern hemisph...