RINA GREEN PLUS Notation

Italian class society RINA's flagship environmental notation. A single score (Environmental Index) integrates emissions, discharges, waste management and underwater noise; awards GREEN, GREEN PLUS, or GREEN STAR depending on the total.

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\text{EI} = 0.35 \cdot s_\text{air} + 0.30 \cdot s_\text{water} + 0.20 \cdot s_\text{waste} + 0.15 \cdot s_\text{noise}

Symbol	Meaning	Unit
$s_\text{air}$	Air emissions score (SOx, NOx, CO₂, PM)	0–100
$s_\text{water}$	Water discharges score	0–100
$s_\text{waste}$	Waste management + recycling plan	0–100
$s_\text{noise}$	Underwater noise + anti-fouling	0–100
$EI$	Environmental Index	0–100

Source: RINA - Rules for Classification Part E Ch.13 GREEN PLUS

In short

Compute RINA's Environmental Index and award GREEN, GREEN PLUS or GREEN STAR notation.

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