I believe colour green in national flags simply or mostly means that the countries reveres God's green earth🍃🌿🌴🌴🌳🍏💚, and the serenity of the natural environment separated from the built environment and the constant anthropogenic activities (construction, exploration, and advancement in Industrialization and urbanization).

So, I did this little research with some spare time and generated data on the number/percentage of national flags with colour green (of any shade or touch) on the six major continents on the globe. Well, I said six because up till now, I still believe that Antarctica belongs to everybody and also to nobody😊.

My data goes:

Africa have 41 countries with colour green on the national flag out of 54 countries (75%).

South America have 5 countries with colour green on the national flag out of 12 countries (41.67%).

Asia have 20 countries with colour green on the national flag out of 51 countries (39%).

North America have 7 countries with colour green on the national flag out of 23 countries (30.43%).

Europe have just 9 countries with colour green on the national flag out of 48 countries (18.75%).

Australia and Oceania have 2 countries with colour green on the national flag out of 14 countries (14.29%).

So, Africa leads! However I am not sure if this should be celebrated or worry about. Because as much as colour green can be regarded as pro-nature, it may also be stamping retro-development.

Mods, please let's get wide opinion on this.

Update!
According to a recent CNN report, a UAE company (Blue Carbon) has acquired a land mass which is almost the size of the UK, across nations in Africa.

https://www.cnn.com/2023/11/22/climate/uae-cop28-adnoc-fossil-fuels-expansion-climate-intl/index.html

You may ask what the company will be doing with such a large mass of land?

They are preserving it as forest forever! And Yes! They are keeping that mass of land across Africa out of any form of future development! In the ingenious reason, it will remain a green zone to prevent or surmount global warning😂🤣.

So, while the industries, urbanization, and advancements keep evolving in other parts of the world, Africa has been Institutionally arrested to stay green and largely untouched and naturally premier forever! 😂.