IPCC AR6: 5 questions to understand Chapter 10

How can we bridge the gap between the regional and global need to fight against climate change? What are the actions necessary to unifying the global predicament of climate change? Here are 5 questions to better understand chapter 10.

IPCC Report 🦥


5 min


July 8, 2022

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Table of contents

👨‍💻How can better GCM and RCM models help unify the fight against climate change?

Both GCM and RCM, otherwise known as General Circulation Models and Regional Climate Models respectively, are imperative to create a collective fight against climate change

The data and observational inferences made by GCM and RCM models provide realistic simulations that are indispensable for making decisions regarding climate change. The non-numerical element of observational data provides an extra source of information for regional climate predictions that numerical data may not provide alone, and can help improve long-term predictions. 📈

Evidence has shown that the variability between numerical and non-numerical data has helped identify weak points in both GCM and RCM models that would otherwise go unnoticed, and help to further predict weather patterns or potential climate challenges. 

However, it is important to note that GCM and RCM models need to provide both tangible data and offer observational insight in order to illustrate the best possible climate model. 📊

Studies have shown that GCM and RCM models are indispensable to interpreting and conveying climate messages to other regions of the world. 🌎

Therefore, it is important to adjust systematic errors found in GCM models – despite the fact that doing so will not entirely improve the model’s overall performance. 

On the other hand, RCM models could be improved in order to better predict historical trends, which would indeed increase the overall quality of the data provided by the model. 

If we strive to improve GCM and RCM models, we can then better communicate the unique, regional climate challenges and compare them to the collective issue of global warming. 

⚖️ Why is bias adjustment important?

Bias adjustment is important in linking the gap between regional and global climate change because it will help provide the scientist with the improved data necessary to better understand and communicate what is needed to mitigate climate change.🌡️

It has been shown that bias adjustment is advantageous for both model projections, even though it cannot fundamentally change any potentially missing data.

It is thoroughly sought that bias adjustment can alter the way simulated climate variables are placed in climate models, and that it can aid the need for multiple statistics.

In other words, bias adjustment has the ability to tell us more with less. Numerical data won’t be as necessary to make a clear, scientifically accurate prediction on future weather conditions – and how they will impact the region and potentially the globe. 🗺️

Bias adjustment is most imperative to GCM models, as bias adjustment would aid to downside the amount of data needed from GCM models – making the remaining data revealed more valuable. 

Overall, implementing bias adjustment, which would include using historical data to make inferences about future weather predictions – will help to improve GCM models, and ultimately help bridge the gap between regional and global climate challenges so that the world may fight against climate change as one. 

🌡️How should we interpret rising temperatures together? 

The reality is, that many infamous global warming trends and unexpected weather occurrences around the globe have been influenced by the actions of various regions. ☀️

For example, it has been shown that the decreased temperatures in the Eurasian region are related to the Arctic warming and loss of sea-ice. 🧊

Rising or decreasing temperatures around the world often impact more than one region, and potentially can influence even more drastic weather patterns. 😬☔

There have been similar scenarios depicted in Australia and the Himalayan mountains. ⛰️

GCM and RCM models can’t always provide us with the necessary data to prepare for these odd weather occurrences, and that is why regions around the world need to improve their communication methods so that we can remain globally informed of all current and future climate habits. 

Monitoring global warming trends can help to reveal if the cites subscribing to urbanization and intense industrialization are the root cause of climate change in various regions of the world that would not normally suffer from an erratic change in temperatures otherwise. 

Therefore, interpreting rising temperatures together as a globe is one of the most important things we can do to unify the fight against climate change. 🌨️

🗣️ How are regional climate concerns communicated right now?

As of right now, regional climate change messages are only communicated by those within the region in question, and only discussed between those who interpret the climate data of said region.

If we were to include third parties in drafting and sending climate memos to other regions, the collaborative effort would ultimately allow for a more diverse interpretation of the data provided by GCM and RCM models. This would allow for better global communication regarding climate challenges, and then – we could assist various regions with the resources they need when bizarre weather conditions occur. 🌪️

Better global communication regarding climate concerns would also allow scientists and various authorities, such as presidents or government officials of other countries, to make more informed decisions based on scientific evidence. 

🌍 What are the greatest threats to linking regional and global climate challenges?

The lack of transparency between various countries and regions continues to create inconsistent data, and therefore – unintended global consequences due to poor decision making. 

As explained above, if we all shared our climate data with other global leaders – scientists and various authorities could come to new conclusions on how to best mitigate climate change together as a global community.

Therefore, it is clear that the greatest challenge that lays ahead to truly link regional and global climate challenges is communication. 📲

Ironically, this should be the easiest part, as  technology continues to evolve, it also isn’t a guarantee – where as clear communication regarding weather patterns could be. 

After all, no one is alone in the fight against climate change. 💪

🔍 What do you need to remember?

The need for a unified fight against climate change is more important than ever, but it can never come to fruition if we do not strive to bridge the gap between regional and global climate challenges. 

Everything is a domino effect, and if all corners of the Earth dedicate themselves to better communication and transparency about their individual climate struggles – the better chance we can help provide one another with the resources necessary to tackle global warming together. 🤝

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