Page 20 - GreenRE_Sustainable Real Estate Book

The Case for WHY ARE GREEN BUILDINGS IMPORTANT TODAY?

Green Buildings

What are Green Buildings?
In 2040, 2/3 of all buildings
A sustainable building, or green building increases the efficiency of resource use while reducing 40% global CO emission per year will be buildings that exist today.
2
building impacts on human health and the environment during the building’s lifecycle. Green
buildings are better than conventional buildings because they are designed to be energy-efficient,
water-efficient, and environmentally sustainable. They use materials that are less harmful to the Without decarbonisation initiatives, these buildings will still be emitting CO
2
environment, incorporate renewable energy sources, and minimise waste. Green buildings also emissions in 2040 and we will not achieve the Paris Agreement’s 1.5°C target.
provide healthier indoor environments, which can lead to improved productivity and well-being
for occupants. Additionally, they can help reduce the overall carbon footprint of the building and
contribute to the fight against climate change. Building Design
Considers economic & social factors. Energy Consumption
Less cost efficient to operate. High risk of Use inefficient powered systems to run
PORTION OF GLOBAL ANNUAL CO EMISSION becoming a stranded asset. Does not balance the building eg heating, cooling, lighting,
FROM THE BUILT ENVIRONMENT 2 economic, social and environmental factors. ventilation. CO intensive.
2

Building Materials
Use of non-recyclable and Energy Generation
nonbiodegradable materials and Full reliance on existing
Building operations 27% cement, bricks and steel – with grid and utilities.
(9.9 GT)
high embodied energy.

Building construction 13%
(4.7 GT)

Source: IEA (2022), Buildings IFA, Paris
9 SUSTAINABLE REAL ESTATE | Our 10-Year Journey