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- Decarbonisation rate falls to 0.5%, the lowest level of decarbonisation for a decade at a time when we need action
- Required annual rate of decarbonisation has subsequently risen to 15.2%, 11 times faster than the global average achieved since 2000
- Global carbon intensity must fall by 77% by 2030 to keep 1.5°C on track
- Many major economies increased carbon intensity in 2021
London, 20 September 2022 – No country in the G20 is decarbonising quickly enough to maintain a safe climate, according to new analysis by PwC.
This year’s Net Zero Economy Index shows progress on decarbonisation is falling alarmingly short of what is required to limit global warming to 1.5°C above pre-industrial levels, with nine of 20 major economies showing increases in carbon intensity over the last year.
Last year’s Index stated that going forward, a global decarbonisation rate of 12.9% was required to limit warming to 1.5°C, however in 2021, the global rate was just 0.5%, while the average in the G20 – who collectively account for around 80% of global energy-related emissions – was just 0.2%, its lowest level for two decades.
This has pushed the global rate of decarbonisation now needed to 15.2% year-on-year to meet the climate goals adopted in the Paris Agreement and endorsed at COP26 last year – in spite of any future shocks, such as the ongoing energy crisis.
This ambitious rate, which is 11 times faster than the global average achieved over the past two decades, is further complicated by the current geopolitical and economic context, leading to real risk on future progress towards emissions reduction.
PwC’s Net Zero Economy Index tracks the progress G20 countries have made to reduce energy-related CO2 emissions and decarbonise their economies. This is done by measuring levels of energy consumption relative to GDP, and the carbon content of that energy.
Looking closer at some of the world’s leading economies, China achieved a 2.8% reduction in carbon intensity, while the US (0.1%), India (2.9%), Japan (0.6%), Germany (1.7%) and France (1.4%) all saw increases, in part due to the recovery from the pandemic.
The best performing country was South Africa (-4.6%), ahead of Australia (-3.3%), China (-2.8%), Turkey (-2.7%), Canada (-2.2%), Saudi Arabia (-1.8%), South Korea (-1.6%) and the UK (-1.5%).
The report notes that there is no single pathway to Net Zero with each country moving at a different pace by different means. Ultimately however, all nations must accelerate action, with a pressing need to reduce global carbon intensity by 77% by 2030.
Encouragingly, there is growing worldwide consensus by governments, investors, and businesses on the need for large-scale decarbonisation and an acceleration in the switch to renewable forms of energy.
Businesses are continuing to drive forward the climate agenda through the decarbonisation of their own organisations, improving the performance and resilience of their supply chains, and exerting their influence over others - for example more than 3,000 businesses and financial institutions are working with the Science Based Targets initiative (SBTi) to reduce their emissions by setting science-based targets.
While policy makers are under pressure to ensure a secure and affordable energy supply, there is an opportunity to use disruptors to strengthen the business case for net zero investment.
The rise in energy prices and threats to supply have created a rush to fossil fuels in the short term; but strengthen the case for investment in renewable energy capacity for the long term.
Similarly, the financial case for energy efficiency has strengthened, especially in high energy-consuming and hard to abate sectors. Businesses will be looking at ways to consume less, while using energy more effectively, signalling a possible turning point in how we think about energy.
Emma Cox, Global Climate Leader, PwC UK, comments:
“The message from our Net Zero Economy Index is clear: we need to significantly accelerate the rate of decarbonisation at pace and at scale if we are to stand any chance of limiting global warming to 1.5°C.
We've seen a strong appetite for change, but this is set against a fragile geopolitical and economic backdrop. Soaring energy prices, and the need to stimulate economic growth following the pandemic, have hampered recent progress.
Some may argue that the current global energy crisis is a reason to slow down change. We believe it shows the opposite. A world powered by low-carbon fuels would be better insulated from geopolitical shocks and would benefit from cheaper energy, thanks to the rapid fall in costs of many renewable energy technologies. While it is essential to consider the societal impacts of any plan to decarbonise, that cannot mean slowing down ambition.”
Ends.
Notes to editors
Methodology
The primary purpose of the Net Zero Economy Index is to calculate national and global carbon intensity (CO2 / GDP), and track the rate of change needed to limit warming to 1.5°C.
To do this, we use the IPCC carbon budget to calculate how much emissions need to be reduced in the future, and divide this by the projected increase in GDP. This allows us to see the amount emissions must reduce to maintain projected GDP growth, providing insight to the scale of efforts required to decouple emissions from economic growth.
Read the report
Net Zero Economy Index 2022
About PwC: At PwC, our purpose is to build trust in society and solve important problems. We’re a network of firms in 152 countries with over 328,000 people who are committed to delivering quality in assurance, advisory and tax services. Find out more and tell us what matters to you by visiting us at www.pwc.com.
PwC refers to the PwC network and/or one or more of its member firms, each of which is a separate legal entity. Please see www.pwc.com/structure for further details.
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