Ecology The majority of Crossrail works are being built within urban and suburban areas on land that has previously been developed. These areas can be important for biodiversity. Areas of waste land surrounding goods yards and sidings and along railway lines provide a unique habitat and corridors for wildlife movement within densely populated residential or industrial environments. Environment Crossrail Ltd is a wholly owned subsidiary of Transport for London (TfL) and is committed to implementing all the provisions in theTfL Health, Safety and Environment Policy. Our approach to the environment is set out in the Crossrail Environmental Policy and our Environmental Objectives.

Carbon footprint

We will continue to monitor the Carbon Footprint of Crossrail throughout design and construction.

Carbon Footprint Corporate Statement.

Crossrail published its commitment to quantify, and reduce as far as practicable, the greenhouse gas emissions from the construction of the project in the Crossrail Carbon Footprint Corporate Statement

Greenhouse Gas Emissions

Transport makes up a significant proportion of the UK's net greenhouse gas emissions and is the fastest-growing anthropogenic source of carbon dioxide (CO2) in the UK .

As a major new rail passenger service, Crossrail will play its part in supporting the vision of its owners, the UK government and the Mayor of London for tackling the causes of climate change.

The Crossrail Carbon Footprint is presented in the Crossrail Environmental Statement. This is a prediction of net carbon dioxide emissions (measured in tonnes of CO2) resulting from the construction and operation of Crossrail.

Carbon dioxide emissions will arise from the construction of Crossrail and during the operation of the railway. These emissions are offset against savings made as customers switch from modes of transport such as motor vehicles and existing diesel rail services (which result in greater carbon dioxide emissions) to the Crossrail service.

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