Echoes of Extinction: The Global Biodiversity Alarm

How We Built This: Data, Tools, and TrustWe used official data from UNdata (last accessed November 2024), focusing on threatened species by country and year. The information was grouped into three main biodiversity categories—Vertebrates, Invertebrates, and Plants.Using Python and Pandas, we cleaned and filtered the dataset to remove duplicates and non-country entries. For each year between 2004 and 2023, we highlighted the top 25 countries with the highest number of threatened species per category. This made the data easier to visualize and understand.We created three CSV files—one for each group—and built dynamic bar charts with Chart.js. A year selector lets users explore trends over time. The charts are lightweight, offline-friendly, and styled to match I Hug Trees' brand colors. We manually verified all data against the IUCN Red List for accuracy. The visualizations were tested across browsers and devices for smooth performance, and everything is fully reproducible for educators and researchers.