Transport-related air pollution impacts human health as well as reducing visibility and causing brown haze. Health effects can range from respiratory irritation, headaches and coughing through to more serious conditions, such as increased hospitalisations and premature death.
Greenhouse gas emissions from road users and road construction contribute to global climate change. Changes in climate may also impact state highways through sea level rise, heavy rainfall and more frequent flooding.
The Transport Agency is committed to reducing the environmental effects of land transport and has an Environmental and social responsibility plan [PDF, 4.6 MB] that addresses human health effects of transport such as air pollution (and other effects). The NZ Transport Agency also acknowledges its role to mitigate and adapt towards climate change.
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