import folium
import pandas as pd

eco_footprints = pd.read_csv("footprint.csv")
political_countries_url = (
    "http://geojson.xyz/naturalearth-3.3.0/ne_50m_admin_0_countries.geojson"
)

m = folium.Map(location=(30, 10), zoom_start=3, tiles="cartodb positron")
folium.Choropleth(
    geo_data=political_countries_url,
    data=eco_footprints,
    columns=("Country/region", "Ecological footprint"),
    key_on="feature.properties.name",
    fill_color="RdYlGn_r",
    fill_opacity=0.8,
    line_opacity=0.3,
    nan_fill_color="white",
    legend_name="Ecological footprint per capita",
).add_to(m)

m.save("M5.html")