SBTi - Shipping 1.5° Path

Science-Based Targets initiative 1.5 °C aligned path for maritime - 100 % zero-emission vessels by 2050.

SBTi1.5 CTarget

Current AERYear

SBTi target AER: 5.50gCO₂/dwt·nm

Alignment: Off path - reduce intensity

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

AER_{target}(y) = 8 - 0.25 (y - 2020)

Symbol	Meaning	Unit
$AER$	Annual Efficiency Ratio	gCO₂/dwt·nm

Source: SBTi Maritime Guidance

In short

Science-Based Targets initiative 1.

Learn the theory Decarbonization Technologies for Ships