It’s expected the additional passenger capacity and demand for light rail will replace trips by motor vehicles and consequently reduce greenhouse emissions and reduce the city's contribution to climate change.

Harmful motor vehicle emissions, such as particulate matter, nitric oxides and carbon monoxide will also be reduced.

Light rail vehicles are electrically powered, which can be provided by renewable energy sources.

During construction

Canberra Metro is committed to caring for the environment and minimising its impacts. To ensure environmental sustainability and protection, Canberra Metro has explored and incorporated a number of innovations to reduce material use and utilise lower-embodied energy materials. Management plans have been prepared to guide implementation of environmental and sustainability aspects of the project through detail design and support the construction methodology.

In addition, Canberra Metro is: