Sustainable operations include undertaking work which reduces the impact to the environment. In the case of river and wetland crossings the reduced impact to the environment is immediately evident. However, trenchless construction reduces impact in other ways through lower erosion and sedimentation, reduced topsoil mixing, less tree clearing, and less disturbance to wildlife. Case studies have shown greenhouse gas and emissions reductions due to the lower volume of material moved. Entec is fully committed to the protection of our environment and natural resources. Many of the advancements Entec has introduced such as implementing annular pressure management to reduce the risk of drilling fluid release have been driven by the desire to reduce the environmental impact of trenchless construction.