Every Fraction Matters

What this means for cities

Extreme-heat frequency Increasing

Heat intensity Higher

More intense heat exposure and growing pressure on health systems.

Water-system pressure Increasing

Rainfall disruption Growing

Increasing risks from drought, rainfall disruption and supply-chain shocks.

Coastal pressure Increasing

Long-term commitment Growing

Rising long-term pressure on coastal settlements and critical infrastructure.

Current warming level

+1.5°C

Paris ambition and an increasingly dangerous risk zone.

Global warming level

+1.0°C Risks emerging

+1.5°C Paris ambition

+2.0°C Paris limit

+3.0°C Widespread disruption

+4.0°C Systemic instability