There is a range of choices for companies needing both to avoid dumping PCs in landfill sites and to address corporate social responsibility requirements. Conversion to open source operating software is a low cost way of upgrading systems. If you have old computers etc. we can advise on options, so please let us know and we will get back to you. For home PCs your local council in the UK is responsible for collection of household waste and may either collect or have a 'bring' scheme for eWaste.