Hugh Tyrrell has worked as an independent consultant in the field of environmental and sustainability marketing and communications for over 15 years. Before that he worked as a copywriter for a dozen years in advertising agencies including JWalter Thompson, Ogilvy's. McCann-Erickson, Y&R. Hugh was founding editor of two national environmental magazines and has co-ordinated three international environmental media conferences. He has a degree in sociology from the University of KwaZulu-Natal (Durban).

Liz Mackenzie writes and edits in the environmental and educational fields. Her experience includes working as a journalist for The Argus, AFP (Agence France-Presse) and at the Centre for Adult and Continuing Education at the University of the Western Cape. She has an MPhil. in Adult Education from the University of Cape Town

GreenEdge (previously Tyrrell Associates) is an approved supplier on the Western Cape government database and is rated as a 50% HDI equity ownership and BEE Level 4 company

BEE Status
GreenEdge is an 'exempt micro enterprise' and is therefore rated as a level 4 BEE contributor. This makes for a 100% procurement recognition on client expenditure for GreenEdge services. As such, GreenEdge can help achieve companies' obligation to spend 10% of their procurement on 'qualifying small or exempted enterprises'. GreenEdge (previously Tyrrell Associates) is rated as a 50% HDI equity ownership and BEE Level 4 company as an approved supplier on the Western Cape government database.

GreenEdge is a carbon-neutral company. Our emissions offsets are purchased through PACE Credible Carbon (www.pace.org.za) and go toward the 2Tribes township renewable energy project in Benoni.

Recycling: All office and other paper, glass, hard plastic and tins, printer ink cartridges recycled. Lunch leftovers and coffee grounds composted.

Energy: No computers or monitor lights left on overnight. Plugs switched off at wall where accessible. On waiting list for renewable energy from City Council / Darling Wind Farm.

Transport: Commute mostly non- peak hours to avoid stop-start driving and idling. Car trips minimised, hypermiling practised, appointments preplanned to optimise route economy. Use telecons in preference to meetings which involve travel.

Resource use: Communicate electronically as far as possible, use SAPPI Triple Green recycled office and fine paper; for large print jobs computer-to-plate process to avoid chemical repro and PVC film. For interior signage, Mondi Xtrata recycled substrate.

                     Hugh Tyrrell

                     Liz Mackenzie