Waste, emissions and discharges

Managing environmental risk
Throughout the organisation, we set objectives to improve the performance of our operations and consumption of waste, emissions and other discharges, such as effluents.
Our businesses set targets to minimise their water consumption. Some common steps taken include installing dual flush lavatory cisterns, preventing leaks from underground pipes and turning off water-intensive machinery outside of working hours.
 
In terms of operational performance, we take care to ensure resources are used efficiently. Widely used processes such as welding, have traditionally used a large quantity of weld and shield gas. To reduce their usage we collaborated with the University of Strathclyde and the Heriot-Watt University and found that the same results could be achieved with materially reduced weld pressure.  Implementing this change at BAE Systems has reduced gas and material use significantly.
 
By way of example, in the Maritime domain, compliance with the International Convention for the Prevention of Pollution from Ships (MARPOL) is a requirement for our products. With the implementation of more stringent ‘Tier III’ diesel emission controls under MARPOL, and the expected rise in the number of Emission Control Areas, modern Navies are increasingly turning to cleaner propulsion technologies in an effort to drive down pollution and safeguard freedom of navigation. Consequently, with the potential for an 80% reductions in NOx emissions, we foresee a growing market for the incorporation of Selective Catalytic Reduction technology. Leading the way, two Royal Navy Offshore Patrol Vessels, are in the process of having this exhaust treatment installed; the first time ships of this nature have been fitted with this pollution reducing equipment.