Carbon Budget Exhaustion (2026)

GroupRateBudget Exhausted
Richest 0.1%800+ kg CO₂/dayJanuary 3, 2026
Richest 1%75.1 tonnes/yearJanuary 10, 2026
Fair share budget2.1 tonnes/year
Poorest 50%2 kg CO₂/dayWithin budget

Emissions Distribution (2019)

GroupPopulationShare of EmissionsPer Capita
Top 1%77 million16%75 tonnes/year
Top 10%771 million48%31 tonnes/year
Middle 40%3.1 billion40%~7 tonnes/year
Bottom 50%3.8 billion12%1.6 tonnes/year

The Inequality Multiple

MeasureMultiple
Consumption-based: top 1% vs bottom 50%75x
Asset ownership-based: top 1% vs bottom 50%680x
Top 1% capital-ownership emissions share41% of global total
Each billionaire's portfolio1.9 million tonnes CO₂/year
Top 10% share of observed warming since 1990Two-thirds

Who Suffers Most

The poorest 50% are responsible for 10–12% of emissions but exposed to 74% of income losses. The Global North is responsible for 92% of excess emissions. That translates to $44 trillion in damages to developing countries (1990–2050). The climate adaptation financing gap is 12–14x what’s actually provided.

What 1.5°C Requires

The richest 1% must reduce emissions by 97% by 2030 — from 75.1 to ~2.1 tonnes per person per year. If everyone emitted like the richest 0.1%, the entire annual carbon budget would be gone in less than 3 weeks.

Sources

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