Both biocapacity and Ecological Footprint are expressed in a common unit called a global hectare (gha). In 2012, the Earth’s total biocapacity was 12.2 billion gha, or 1.7 gha per person, while ...

Today is Earth Overshoot Day, the point where scientists say we've used all the ecological resources the ... Mathis Wackernagel is founder of the Global Footprint Network which carries out the ...

Ecological overshoot is measured using ecological footprint analysis, which assesses humanity’s total demand on nature ... Scientists are suggesting that we have entered the era of the Anthropocene; ...

The BBC's Future Planet reporters delved into the data to identify four key areas where individuals can help reduce their carbon footprint. By Melissa Hogenboom & Griesham Taan Graphics ...