The Behavioural Insights Team, often referred to as the "Nudge Unit," is a social purpose company that applies behavioral science to public policy and services. Originally part of the UK government, it now operates globally, working with governments, businesses, and charities to improve outcomes in various sectors such as health, education, and the environment.

The company is committed to using evidence-based approaches to tackle societal challenges, including those related to sustainability. By leveraging behavioral insights, they aim to encourage more sustainable behaviors among individuals and organizations. Their projects often focus on reducing energy consumption, promoting sustainable transport, and encouraging waste reduction.

In terms of sustainability, the Behavioural Insights Team is involved in numerous initiatives that support environmental goals. They collaborate with partners to design and test interventions that can lead to significant reductions in carbon emissions and other environmental impacts. However, specific details about their own carbon footprint or sustainability certifications are not extensively documented.

Overall, the Behavioural Insights Team plays a crucial role in promoting sustainable practices through innovative behavioral science techniques, although detailed information on their internal sustainability measures is limited.