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Future GreenTech, Sustainability Keynote Speaker
Future of construction, and how the construction industry will respond to the climate emergency.
The construction industry is responsible for almost 40% of global CO2 emissions, taking into account the embodied energy in building (30%), energy wasted in demolition (10%), and costs of heating or cooling the building during it's lifetime (60%).
Look at the largest green building projects we have seen over the last decade or two, and multiply by ten or more over the next twenty years - in individual size and collectively.
We need to be far bolder and more ambitious in ramping up decarbonisation of our world. And at the same time expect massive steps to decarbonise construction.
Take for example the targets announced by the UK government in November 2020. 4 times current offshore wind capacity by 2030.
First town heated entirely by hydrogen by 2030 with £500m investment. 600,000 heat pumps a year installed by 2030. £1bn on carbon capture - and so on. China will continue to dominate green tech investment globally.
There will be huge focus on creating smart, “carbon neutral” buildings that are ultra-efficient to heat or cool.
But we will also see far more attention on how long those buildings will actually last. My own home was built in 1842 and I expect will still be lived in by the year 2300.
But I don’t know many commercial tower blocks or factories being built today that have a life-expectancy of more than 50 years - and many buildings being demolished today are less than 40 years old.
This really matters, because 30% of the entire energy consumed in the average life cycle of an office tower is the energy consumed in building it, and 10% more can be consumed in demolition.
We need to see far more life-enhancing, iconic structures that people will love and enjoy using for generations to come.
And also far greater efforts to convert, adapt, upgrade, renew, restore, repair and redesign existing buildings.
* "How AI Will Change your life - A Futurist's Guide to a Super-Smart World" - Patrick Dixon's latest book on AI is published in September 2024 by Profile Books. It contains 38 chapters on the impact of AI across different industries, government and our wider world, including impact of AI on construction, green tech innovation and reducing global CO2 emissions.
Read more: Future of construction. How to save 40% of global CO2 emissions - green construction. Greentech buildings BOOM, zero carbon construction methods. 2020-2040: Carbon-neutral offices, homes, schools, factories and infrastructure. Construction keynote speaker