13 metrics with data for both countries. The solid line is Reunion; the dashed grey line is United Kingdom.
How much energy each person uses in a year, across electricity, transport, heating and industry. Energy Institute / Ember via Our World in Data
The share of a country's electricity generated from solar panels. The fastest-growing energy source in history. Ember / Energy Institute via Our World in Data
The share of a country's electricity generated from wind turbines, onshore and offshore. Ember / Energy Institute via Our World in Data
The share of electricity still generated by burning coal, the most polluting fuel. The number that must reach zero first. Ember / Energy Institute via Our World in Data
The share of a country's electricity generated by burning oil. Rare on big grids, still common on islands. Ember via Our World in Data
Forest area lost each year to fire, logging, farming and storms. Not all loss is permanent deforestation, but the trend matters. Global Forest Watch (Hansen/UMD) via Our World in Data
Tracks extinction risk across all assessed species. 1 means no species at risk; falling values mean wildlife sliding towards extinction. IUCN / SDG 15.5.1 via Our World in Data
Nitrogen applied per hectare of cropland. It feeds half the world, but runoff chokes rivers and coastal seas. FAO via Our World in Data
The share of people living in towns and cities. Urbanisation shapes energy use, land use and how people experience climate change. UN World Urbanization Prospects via Our World in Data
How much of a country's renewable freshwater is withdrawn each year. Above 25% counts as stressed; above 100% means drawing down reserves. FAO AQUASTAT (SDG 6.4.2) via Our World in Data
The share of people with safe drinking water at home, available when needed and free from contamination. WHO/UNICEF JMP via Our World in Data
The share of people whose toilet waste is safely treated rather than left to contaminate water and soil. WHO/UNICEF JMP via Our World in Data
Average exposure to fine particles small enough to enter the bloodstream. The WHO guideline is 5 µg/m³. World Bank / van Donkelaar et al. via Our World in Data