Industry Voice: Building back better - The path to net zero

While much of the world’s focus continues to be on tackling COVID-19, the climate crisis also requires urgent attention. However, practical challenges remain in their efforts to navigate to a cleaner, safer and more sustainable world.

"Going back to ‘normal' is problematic, if ‘normal' got us to where we are," said Professor Marianna Mazzucato from University College London, speaking during the first UK lockdown.¹ "We have to reimagine what kind of society we want to be living in and be bolder and more ambitious in constructing the remedies."

1. Decarbonisation: An epic challenge

This call for action is timely, as lockdowns brought an unprecedented slump in global carbon dioxide (CO₂) emissions. "The immediate impact of COVID-19 was a seven to eight per cent reduction in CO₂ emissions versus 2019," says Richard Howard, research director at the energy analytics group, Aurora Energy Research. "The challenge now is how we reboot the economy and move forward."

It means weaning society off fossil fuels as well as certain chemicals and plastics. "(Climate) mitigation is as much about stopping the damage to key parts of the natural environment which inhibit the take-up of carbon, and enhancing that take-up through policies to increase trees, grasslands, the take-up of carbon in the soils, and the protection and enhancement of peat bogs," notes Dieter Helm, professor of energy and economics at the University of Oxford.²

Ultimately, achieving net zero may also need industrial solutions, sucking CO2 from the air (direct air capture) or compressing it and storing it underground (carbon capture and storage).

2. The climate progress report: Disappointing

A quick glance at progress from co-ordinated climate action is not encouraging. "It is not going well," is Helm's succinct analysis in his book, Net Zero: How we stop causing climate change.⁴ "If the objective set in 1990 was to reduce emissions and reduce global warming, it has been an utter failure."

However, extreme climate events have focused minds and calls to build back better have intensified. Initially, only Europe was heavily invested politically in emissions reduction, but momentum is accelerating elsewhere. Canada, South Korea, Mexico, Chile, Japan, South Korea and South Africa are all part of the growing club taking steps to legislate for net zero. China has joined too, albeit with a 2060 target; a "giant step" in the fight against climate change, according to the Energy Transitions Commission.⁵

Now the US is also back in the room, with Joe Biden pledging to pour up to $2 trillion of federal funds into climate action.

 

Figure 1: Energy demand: Slowing in the old world, growing in the new

Mtoe: Millions of tonnes of oil equivalent. Source: International Energy Agency, Global Energy Review 2020

 

3. Directing finance flows towards net zero

Concerted effort is needed to meet the ambition set out in the Paris Agreement - to make financial flows consistent with climate action goals. "Globally, around $300 trillion of investment is going to be required over the next thirty years - that's like rebuilding the US entirely, from the bottom up, every two years for the next three decades," says James Belmont, climate risk lead at Baringa, a consultancy.

Nevertheless, the nature of climate risk makes assessing how the land lies particularly difficult for commercial financiers. "We cannot expect to keep plodding along in some kind of equilibrium," Belmont says. "We are either going to have a lot of transition or a lot of physical change; we are probably going to have some messy combination of the two."

4. Policy priorities: Seeking direction

Policy is the hard part, because each country contemplating a net-zero pathway faces its own unique challenges. The solution can never be one-size-fits-all.

The most commonly cited action economists and analysts believe will speed the journey is to introduce coherent carbon taxes⁶, to ensure polluters pay. Without them, consumers fail to realise the environmental costs of their actions, and prospects for technologies that might aid the transition are dampened. 

Delays in developing a vision for new low carbon infrastructure - public goods that should ultimately benefit everyone - also mean path dependencies and sequencing cannot be resolved.

"We have reached the point where the UK government has been more prescriptive about the kind of technologies it wants to see," says Darryl Murphy, managing director of infrastructure at Aviva Investors. (The UK is prioritising offshore wind, hydrogen, nuclear power and carbon capture.⁷)

"Some might say governments should not be allowed to pick winners, but we don't have much time. At this point, it does not make sense to have a multitude of technologies competing among themselves."

5. The rise of renewables

Meanwhile, the shift towards renewables has been a resounding success (see Figure 2), which could have important spin-offs. 

 

Figure 2: Power to renewables: Net global power capacity additions

All Renewables: Includes solar, wind, geothermal, biomass and hydro, and excludes energy storage technologies. Source: BloombergNEF, October 2020

 

With ample renewables, plentiful energy can be generated from hot sunshine or gusty weather when energy demand is low. In future, this could be put to work to produce hydrogen via electrolysis, (‘green hydrogen', if the underlying energy source is 100 per cent renewable), keeping installed capacity at work.

In this scenario, hydrogen is not just a fuel that could be used to power transport, but also an important renewable energy store.^.8

6. Dampening appetite for carbon

In setting the course for net zero, the management of the built environment is a critical consideration. "COVID-19 has triggered a real estate crisis, and that has sharpened minds," says Sam Carson, director of sustainability at Carbon Intelligence, a consultancy advising companies on how to reduce their carbon footprint.

For an asset owner, not carrying out major construction works has the greatest positive carbon impact (see Figure 3), but ‘building less' and ‘building clever' with lower carbon materials can be advantageous too.

 

Figure 3: Carbon reduction potential

Source: HM Treasury, Infrastructure Carbon Review 2013

"Those managing the built environment have generally not had constraints on the quantum of space they can build," Ed Dixon, head of ESG for real assets at Aviva Investors points out. "A skyscraper might be knocked down and replaced, although it could be refurbished. There is nothing in current policy or regulation to prevent that. But society simply cannot afford this type of growth. The solution must be making better use of the assets we already have."

These considerations are receiving greater attention with the arrival of carbon accounting. In future, the price of carbon is expected to be significantly higher. "That is what will shift the market," says Carson, adding that those failing to address carbon issues swiftly are likely to see the value of their assets fall.

7. Being mindful of net-zero gains

The tone of the net-zero debate often feels heavy, weighted towards industry, the asset mix in the power sector and the like. But net zero will not be achieved without careful consideration of how to be better custodians.

"Meeting net zero implies a level of awareness and collectivism that we struggle to have as a society now," Belmont admits. "But we are witnessing some important changes. It feels like a tipping point."

"As professionals, we tend to talk in terms of various scenarios, and we compare the risks and costs," says Oliver Rix, partner for energy, utilities and resources at Baringa. "But we also need to talk about what it means for people. It's about better air quality, less noise pollution, using land more sustainably, having a well-managed countryside and improving biodiversity. Transport will be revolutionised too. These are huge advantages; we need to keep them in mind."

 

Read more  "Build back better - The path to Net Zero"

 

References

1. ‘Mariana Mazzucato on new economic approaches', RSA, May 7, 2020
2. ‘Net zero: How we stop causing climate change', Dieter Helm, 2020
3. ‘Carbon capture: Solution or pipedream?', Aviva Investors, November 10, 2019
4. ‘Net Zero: How we stop causing climate change', Dieter Helm, 2020
5. ‘China aims to cut its net carbon-dioxide emissions to zero by 2060', The Economist, September 24, 2020
6. ‘‘Sticking' it to carbon: The pros and cons of taxing emissions', Aviva Investors, February 28, 2020
7. Prime Minister's Office and The Rt Hon Boris Johnson MP, ‘PM outlines his ten point plan for a green industrial revolution for 250,000 jobs', gov.uk, November 18, 2020
8. ‘Hydrogen: Back to the future', Aviva Investors, December 18, 2020

 

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