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What you’ll find in the latest + Impact Magazine

The latest issue of + Impact is out! Here are some of the highlights (and pages) of Issue 28:  

14 WASTE NOT, WANT NOT: Ever committed to its sustainability targets, real estate investment trust Liberty Two Degrees has achieved Level 2 Net Zero Waste status at four of its major shopping malls

22 DOUBLE ACHIEVEMENT: Having targeted both 6-Star Green Star and Net Zero Carbon level 1 (modelled) ratings, Oxford Parks’ 5 Parks Boulevard in Johannesburg sets a new benchmark for the modern workplace

32 ALIGNING THE UNALIGNABLE: Globally, there are very different requirements when it comes to decarbonising buildings, but that doesn’t mean we can’t achieve alignment and commonality, says WorldGBC CEO Cristina Gamboa

A look at how innovative technologies in the property sector are changing the environmental sustainability future of the built environment

44 ENERGISING CHANGE: We chat to NGO Sustainable Energy Africa about how municipalities are leading South Africa’s sustainable energy shift

48 URBAN EDGE: Redefining urban living in the sought-after suburb of Sandton, Johannesburg, is Barlow Park Lifestyle Estate, an unprecedented modern, mixed-use precinct that offers affordable, quality accommodation

56 EVERY DROP COUNTS: BUILDING A WATER-RESILIENT FUTURE: The WorldGBC’s new position paper outlines the role of the built environment in tackling the global water shortage

60 EDGE RESIDENTIAL ESTATES: BENEFITS IN TERMS OF REAL-WORLD SAVINGS: Electricity savings via solar PV could be used to generate real-world savings for owners of Excellence in Design for Greater Efficiencies (EDGE)-certified residential units

Read the full stories at

Positive Impact is the official publication of the GBCSA, presents thought leadership from local and international green building commentators and practitioners, and showcases the excellent work of GBCSA members.

Individual Membership

Designed for professionals acting in their individual capacity, including single consultant-businesses.

Organisational Membership

Ideal for companies, government departments, and organisations.

  • Total Employees: 1 - 5 Employees - R 4080.00
  • Total Employees: 6 - 20 Employees - R 12570.00
  • Total Employees: 21 - 50 Employees - R 24690.00
  • Total Employees: 51 Plus Employees - R 43840.00

Lisa Reynolds

Chief Executive Officer & Executive Director

Lisa Reynolds is the CEO of the Green Building Council South Africa.

Lisa was the driver for the drafting of Energy Efficiency Standards and Regulations for Buildings and has been involved in Energy Efficiency since 2003. She serves on many committees in the SABS and within the energy management professionals’ space. She was President of the SAEEC from 2016 to 2019 and was the previous President of the ESCo (Energy Services Companies) Association. Lisa was instrumental in the formation of SAFEE (Southern African Females in Energy Efficiency) within SAEEC.

She has assisted the South African Government with its Green Building Framework policies, Energy Efficiency Tax Incentives and Energy Efficiency Strategies

Her passion for the “Green space” started with the birth of the Green Building Council in 2007. Lisa served on the Board and the Technical Committee of the GBCSA, as well as on several Technical Working Groups for Rating Tools and Criteria. Lisa. became CEO in June 2020.

Lisa has a BSc, an MBA and a CEM. Lisa’s awards include the 2007 ETA Award for Women, 2008 Individual Energy (SAEE), 2012 SABS Standards Writer Award; the 2014 Women in Energy (SAWIEN); and the 2016 Ian Lane Hall of Fame award.

Lisa is committed to growing the Green Economy within a Green Recovery.

Organisational categories

As an organisational member, you will fall into one of the below categories, and be charged according to specific size indicators. Please reach out to us for any further clarity on which category is best for your organisation

Property Developers

Annual Turnover

Investors, Owners, Property Managers

Total Asset Value

Major Corporate Tenants & Retail

Annual Gross Rentals

Building Contractors

Annual Turnover

Building Product Manufacturers & Distributors

Annual Turnover

Professional Services: Architects, Designers, Engineers, Quantity Surveyors, PM’s, Consultants, Legal

Number of employees

Research, Higher Education, NGO’S & Regulators

NGO or Research/Higher Education/ Regulators

Related Interests: Utilities, Financial, Insurance, etc.

Annual Turnover


Local/ municipal/ provincial/ state 
Contact GBCSA to confirm your category