A group of environmental and technology NGOs is urging the International Maritime Organization (IMO) to reject emerging proposals that would allow ships to routinely discharge ammonia at sea. Instead, the group is calling for a simpler safeguard: retain ammonia effluent onboard and offload it at port reception facilities–so shipping can cut pollution without adding a new source of toxic marine pollution.
The statement follows a week of discussions at the IMO’s Pollution Prevention and Response (PPR) Sub-Committee in London (9–13 February), where governments, for the first time, considered approaches to managing ammonia effluent generated from ammonia-fueled ships.
“Shipping needs to decarbonize fast, and green ammonia could play an important role,” said Dr James Kershaw, Scientific Officer at Opportunity Green. “But we must not reduce climate pollution while normalizing ocean discharge of toxic waste. The IMO must ensure green fuels are adopted with safeguards that protect marine ecosystems, coastal communities, and seafarers.”
What is ammonia effluent — and
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