To ask the Prime Minister what research Her Majesty's Government are currently sponsoring on the effects of energetic fragmented sub-atomic particles on oxygen atoms and the global ozone layer.

The Natural Environment Research Council and the Science and Engineering Research Council both undertake a wide range of research, funded from the Government's science budget, which is related to stratospheric ozone. This work addresses all aspects of the global ozone layer and its depletion, including the effects of high energy particles.