{"product_id":"ferry-carbon-removal","title":"Ferry Carbon Removal","description":"\u003cp\u003e\u003cstrong\u003eRemove your ferry crossing emissions today. Add one 20 kg unit for every hour on board.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CO₂ is physically removed from the atmosphere and durably stored for centuries, certified by Puro.earth. You receive public registry proof within one month of purchase.\u003c\/p\u003e\n\u003cp\u003e20 kg of CO₂ removal covers the full life-cycle warming impact of one passenger on board a ferry for one hour: producing and burning the fuel, other engine emissions, a share of building the ship, and food on board. It's rounded up from the EU and US ferry fleet averages. See detailed calculations below.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eUse this product for any ferry crossing you finish the same day: a harbour commute, a water bus, island hopping or a crossing of a few hours. Multiply by 2 for high-speed ferry, catamaran or hydrofoil. And subscribe to remove your daily ferry commute emissions. For a night on board, use \u003ca href=\"\/products\/cruise-carbon-removal\" target=\"_blank\"\u003eCruise Carbon Removal\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eExamples:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily commute\u003c\/strong\u003e, under 1 hour: 1 unit, 20 kg of CO₂, \u003cstrong\u003e€3.95\/day\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsland hopping\u003c\/strong\u003e\u003cspan\u003e, 3 hours in total: 3 units, 60 kg of CO₂, \u003c\/span\u003e\u003cstrong\u003e€11.85\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFerry crossing\u003c\/strong\u003e, 2 hours each way: 4 units, 80 kg of CO₂, \u003cstrong\u003e€15.80\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eThe price reflects what durable carbon removal costs: the amount of CO₂ you purchase has already been locked away from the atmosphere for centuries, which costs more than funding projects that aim to reduce future emissions. \u003ca href=\"https:\/\/www.removecarbontoday.com\/pages\/carbon-removal-price\"\u003eSee what the price is based on →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003e\u003cstrong\u003eCalculation data and methods:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003col dir=\"ltr\"\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003e\u003cstrong\u003eDirect CO₂ emissions, Europe: 9.54 kg per passenger-hour (TTW)\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eThe CO₂ from fuel burned on board, averaged across 405 passenger and car ferries of 5,000 GT and over that report verified emissions and passenger numbers to the EU. On overnight routes the figure is 11.01 kg. This is our calculation from the register; the method is in point 7.\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eSource: \u003ca href=\"https:\/\/mrv.emsa.europa.eu\/#public\/emission-report\" rel=\"noopener\" target=\"_blank\"\u003eEMSA THETIS-MRV - EU shipping emissions register 2025\u003c\/a\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003e\u003cstrong\u003eDirect CO₂ emissions, US: 11.1 kg per passenger-hour (TTW)\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eIn 2023 the 43 US public ferry systems carried 458.4 million passenger-miles on 53.9 million gallons of diesel, at an average speed of 9.3 mph. At 10.18 kg of CO₂ per gallon of diesel, that is 11.1 kg per passenger-hour (our calculation). We use this higher figure.\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eSource: \u003ca href=\"https:\/\/www.apta.com\/wp-content\/uploads\/2026\/02\/APTA-2025-Public-Transportation-Fact-Book-1.pdf\" rel=\"noopener\" target=\"_blank\"\u003eAPTA 2025 Public Transportation Fact Book (US National Transit Database)\u003c\/a\u003e; \u003ca href=\"https:\/\/www.epa.gov\/greenvehicles\/greenhouse-gas-emissions-typical-passenger-vehicle\" rel=\"noopener\" target=\"_blank\"\u003eUS EPA\u003c\/a\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003e\u003cstrong\u003eUpstream and other warming emissions: ×1.38 (WTT + non-CO₂)\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eProducing and delivering marine fuel adds 23.5%. That's from the IMO's life-cycle defaults of 14.1 to 17.7 g CO₂e per MJ, weighted by the global ferry fuel mix reported to the IMO. Black carbon, methane and nitrous oxide from ship engines add 14.9% on the same fuel mix. Both are our calculation.\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eSource: \u003ca href=\"https:\/\/wwwcdn.imo.org\/localresources\/en\/KnowledgeCentre\/IndexofIMOResolutions\/MEPCDocuments\/MEPC.391(81).pdf\" rel=\"noopener\" target=\"_blank\"\u003eIMO Life-cycle GHG Guidelines, MEPC.391(81)\u003c\/a\u003e; \u003ca href=\"https:\/\/wwwcdn.imo.org\/localresources\/en\/OurWork\/Environment\/Documents\/Reporting%20year%202023.pdf\" rel=\"noopener\" target=\"_blank\"\u003eIMO Data Collection System 2023\u003c\/a\u003e; \u003ca href=\"https:\/\/theicct.org\/wp-content\/uploads\/2021\/06\/Well-to-wake-co2-mar2021-2.pdf\" rel=\"noopener\" target=\"_blank\"\u003eICCT 2021 - Well-to-wake CO₂e in maritime transport\u003c\/a\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003e\u003cstrong\u003eShip building: +12.5%\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eMaterials and shipbuilding average 11% of a ship's life-cycle emissions, and operation 88%. 11 ÷ 88 = 12.5% on top of operation (our calculation).\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eSource: \u003ca href=\"https:\/\/publications.jrc.ec.europa.eu\/repository\/bitstream\/JRC128870\/JRC128870_01.pdf\" rel=\"noopener\" target=\"_blank\"\u003eEU Joint Research Centre - review of ship life-cycle studies\u003c\/a\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003e\u003cstrong\u003eFood on board: 0.36 kg per hour\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eA high-meat diet is 7.19 kg CO₂e per day, spread per hour on board. We add 0.20 crew meals per passenger: Silja Serenade has 264 crew for 1,304 passengers on board on average (EU register). 7.19 ÷ 24 × 1.20 = 0.36 kg (our allowance).\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eSource: \u003ca href=\"https:\/\/link.springer.com\/article\/10.1007\/s10584-014-1169-1\" rel=\"noopener\" target=\"_blank\"\u003eScarborough et al. 2014, Climatic Change\u003c\/a\u003e; \u003ca href=\"https:\/\/www.cruisemapper.com\/ships\/Silja-Serenade-ferry-1928\" rel=\"noopener\" target=\"_blank\"\u003eCruiseMapper - Silja Serenade\u003c\/a\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003e\u003cstrong\u003eHigh-speed ferries: 25.0 kg per passenger-hour (TTW)\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eThe 30 ferries in the EU register that average 25 knots or more. On the same basis as the calculation below: 24.99 × 1.38 × 1.125 + 0.36 = 39.16 kg, covered by 2 units (40 kg).\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eSource: \u003ca href=\"https:\/\/mrv.emsa.europa.eu\/#public\/emission-report\" rel=\"noopener\" target=\"_blank\"\u003eEMSA THETIS-MRV - EU shipping emissions register 2025\u003c\/a\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003e\u003cstrong\u003eHow the EU register figures are calculated:\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eSource: \u003ca href=\"https:\/\/mrv.emsa.europa.eu\/#public\/emission-report\" rel=\"noopener\" target=\"_blank\"\u003eEMSA THETIS-MRV\u003c\/a\u003e\u003cbr\u003eDownload the 2025 file, open the \"2025 Full ERs\" sheet and keep \"Ro-pax ship\". For each ship:\u003c\/em\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003e(a) distance (nautical miles) = Total CO₂ emissions [m tonnes] × 1,000 ÷ CO₂ emissions per distance [kg CO₂ \/ n mile];\u003c\/em\u003e\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003e(b) passenger-nautical miles = CO₂ emissions assigned to Passenger transport [m tonnes] × 1,000,000 ÷ CO₂ emissions per transport work (pax) [g CO₂ \/ pax · n miles];\u003c\/em\u003e\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003e(c) average passengers on board = b ÷ a;\u003c\/em\u003e\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003e(d) passenger-hours = c × Time spent at sea [hours].\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cem\u003eDivide the total passenger CO₂ (kg) by the total passenger-hours. We leave out 13 of 418 ships: 11 have no passenger figures, and 2 imply under 1 or over 4,000 passengers on board.\u003c\/em\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003eHigh-speed ferries: a ÷ time at sea of 25 knots or more.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eOvernight routes: the 89 ferries of operators such as Tallink Silja, Viking Line, Color Line, DFDS, Stena Line, Finnlines, Brittany Ferries, GNV, Grimaldi, Tirrenia, Corsica Linea and Minoan Lines.\u003c\/em\u003e\u003cem\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003e\u003cstrong\u003eCalculation:\u003c\/strong\u003e\u003c\/em\u003e\n\u003col dir=\"ltr\"\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003eDirect CO₂ (US figure): 11.13 kg\u003c\/em\u003e\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003eUpstream and other warming (×1.38): 11.13 kg × 0.38 = 4.23 kg\u003c\/em\u003e\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003eShip building (+12.5%): 15.36 kg × 0.125 = 1.92 kg\u003c\/em\u003e\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003eFood: 0.36 kg\u003cbr\u003e--\u0026gt; Total: 17.64 kg, rounded up to 20 kg. At €0.198 per kg, 20 kg comes to €3.96, priced at €3.95.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Remove Carbon Today","offers":[{"title":"Default Title","offer_id":56875170234699,"sku":null,"price":3.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/1913\/9403\/files\/ferry_on_sea_photo.png?v=1790175174","url":"https:\/\/www.removecarbontoday.com\/products\/ferry-carbon-removal","provider":"Remove Carbon Today","version":"1.0","type":"link"}