Net Zero Carbon Emission

Dr. Sonal Desai

09th Nov 2021

Net Zero Carbon Emission

Net-zero carbon emission is the most searched keyword nowadays. Net-zero is when there is a balance between the amount of greenhouse gas produced and the amount of greenhouse gas removed from the atmosphere. When we stop adding any more carbon to the atmosphere, we can reach net-zero carbon emissions.

Having said that, the next question is about how to achieve this goal?

In simplest terms, when we target the following judiciously, we move towards net-zero carbon emission:
  • Reduce energy use by optimizing process and product.
  • Shift fossil fuel-based electricity to renewable source electricity.
  • Use zero carbon technologies for electricity.
Some countries like China, Costa Rica, Denmark, Ethiopia, and the United Kingdom have made remarkable progress in the above three domains to march towards net-zero carbon emission through consistent efforts.

Strategies implemented by these counties include one or more factors of the following:

To decrease energy intensity, these countries have made huge investments at an annual rate of 4% or more in the last five years, resulting in reduced energy demand.

  • For the last three decades, these countries have opted for clean energy instead of fossil fuel, and hydropower is         a major source. Courtiers targeting zero carbon will have to increase their stack in hydropower.
  • Solar, wind, geothermal are the next targets to decarbonize the nation from power generation perception. Kenya          has considerable reliance on geothermal and China on wind and solar.
  • The global rise in building energy consumption has been 60% in the last three decades, and it is remarkable               compared to other major energy-consuming sectors like transport or industry. The adoption of energy-efficient            buildings has helped them to curtail the need.

Following remarks can be drawn towards the target of zero greenhouse gas emission.

  • Different scales like countries, end-use sectors, cities, and buildings are involved in meeting the net-zero carbon emission. It calls for clear definition and standard assessment rules worldwide agreeable.
  • To meet climate Paris agreement goals, it is required to frame country-specific and sector-specific assessment approaches and definitions.
  • A set of CO2 budget, near-term goal, and a year range of net-zero CO2 emission need to be specified to achieve net-zero carbon emission mission.

Dr. Sonal Desai

✓ Certified Energy Auditor and Green Building Consultant

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