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This blog talks about how to draw a map with python module "folium", like how to draw a basic map, to create a colormap, to add different layers and to customize title and legends.

Forests are the dominant terrestrial ecosystem of Earth, and are distributed around the globe. Forests account for 75% of the gross primary production of the Earth's biosphere, and contain 80% of the Earth's plant biomass. Net primary production is estimated at 21.9 gigatonnes carbon per year for tropical forests, 8.1 for temperate forests, and ...

World energy consumption is the total energy produced and used by the entire human civilization. Typically measured per year, it involves all energy harnessed from every energy source applied towards humanity's endeavors across every single industrial and technological sector, across every country. In this blog, I will talk about energy consumpt...

A greenhouse gas (sometimes abbreviated GHG) is a gas that absorbs and emits radiant energy within the thermal infrared range. Greenhouse gases cause the greenhouse effect. In this blog, I will talk about greenhouse gas emission with the following points...

According to the United States Census Bureau the world's population was about 7.55 billion in 2019 and that the 7 billion number was surpassed on 12 March 2012. According to a separate estimate by the United Nations, Earth's population exceeded seven billion in October 2011, a milestone that offers unprecedented challenges and opportunities to a...

In this blog I talked about how to improve `pandas` dataframe processing with the SQL query, `map` or `lambda` and some other quick tips.

In this blog, I talked about how to apply haversine distance and real distance with "haversine" python module and Google Distance Matrix API.

Paris is the capital and most populous city of France, and it also attracts lots of tourists, which makes me eager to dig out Airbnb locations in Paris. Where are the locations located? What are their prices? In this blog, I will analyse Airbnb Paris with the following points...