PWC Net Zero Economy Index 2023: A Call for Accelerated Decarbonisation

In a recent revelation by the PwC Net Zero Economy Index 2023, the global community lags significantly behind the necessary efforts to curb climate change. The report underscores the urgency to amplify decarbonisation efforts sevenfold to limit global warming to 1.5 °C above pre-industrial levels. Here, we delve into the critical insights from the report and what it entails for the global economy.

Unprecedented Decarbonisation Rates Required

The PwC report highlights a gap between the global ambition to tackle climate change and the progress made. According to the analysis, a year-on-year decarbonisation rate of 17.2%, up from last year’s 15.2%, is essential to prevent catastrophic climate change effects. This rate starkly contrasts the 2.5% achieved last year and calls for a pace 12 times faster than the global average over the past two decades.

Key Insights:

  • No G20 country has surpassed an 11% decarbonisation rate in a single year since 2000.
  • A 78% reduction in carbon intensity is needed within the next seven years to meet the IPCC’s 2030 deadline.
  • The UK has maintained the highest long-term decarbonisation rate of 3.7% since the 21st century began.

Renewable Energy Adoption: A Silver Lining

Despite the grim outlook, the report also sheds light on a surge in renewable energy adoption, offering a glimmer of hope for a market-led transition to a greener future. Solar energy recorded its highest growth at 24.4%, with wind energy following suit at 13.1%. This growth is predominantly seen in Asia, particularly China, the USA, and Europe.

Key Insights:

  • Significant growth in renewable energy, primarily in Asia, the USA, and Europe.
  • A necessity for accelerated action in economic sector transitions and infrastructure development.
  • Increased support for developing countries is vital to foster a global transition to renewable energy.

Expert Opinions

Emma Cox, Global Climate Leader at PwC, emphasized the critical role of the Net Zero Economy Index in tracking the progress of economies in severing the link between economic growth and carbon emission increases. Meanwhile, Dan Dowling, Net Zero & Sustainability Partner at PwC, highlighted the varying decarbonisation trajectories between G7 and E7 economies.


The PwC Net Zero Economy Index 2023 is a stark reminder of the urgent need to escalate global efforts in combating climate change. With the clock ticking, nations worldwide must unite to foster a sustainable future where economic growth does not come at the expense of our planet.

For more insights, visit PwC’s official website.

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