Shipping Pollution Mapped

NO2 (nitrogen dioxide) pollution caused by ships is a significant environmental concern. Ships are responsible for more than 18% of nitrogen oxides pollution. Cruise ships pollute 4 times more than airplanes, per passenger. Not cars. Compared to cars, ships are an absolute abomination.

Ships emit NO2 and other pollutants as a result of burning fossil fuels, such as heavy fuel oil or marine diesel, in their engines. This includes both auxiliary engines used for electricity generation and propulsion engines that power the ship.

NO2 is a major contributor to air pollution, and high levels of exposure can lead to respiratory problems, particularly in vulnerable populations such as children and the elderly. It also contributes to the formation of smog and acid rain, which can have detrimental effects on ecosystems, vegetation, and water bodies.

The animated map below shows NO2 pollution in the Mediterranean, clearly depicting the shipping routes that criss-cross the sea.

To address NO2 pollution from ships, international and regional regulations have been established. The International Maritime Organization (IMO) sets standards and guidelines through conventions like the International Convention for the Prevention of Pollution from Ships (MARPOL). MARPOL Annex VI specifically addresses air pollution from ships and sets limits on NOx (nitrogen oxides) emissions, including NO2.

To reduce NO2 emissions, several measures are being implemented. One approach is the use of cleaner fuels with lower sulfur content, such as marine gas oil or liquefied natural gas (LNG), which can help decrease NO2 emissions. Another strategy is the installation of exhaust gas cleaning systems (commonly known as scrubbers) that can reduce the amount of NO2 and other pollutants released into the atmosphere.

Advancements in ship design and engine technology play a crucial role in reducing NO2 emissions. More efficient engines, optimized fuel combustion, and better emission control systems can significantly decrease the amount of NO2 generated during ship operations.

Efforts are ongoing to further reduce NO2 emissions from ships. This includes the exploration of alternative propulsion systems, such as hydrogen fuel cells and electric power, as well as the development of more stringent emission standards and regulations.

This post may contain affiliate links. As an Amazon Associate, I earn from qualifying purchases.

Comments

How Long Does Plastic Take to Decompose?

Plastic: the unwelcome house guest at nearly every corner of our lives — from shopping bags to footwear, coffee cups to car parts. And yet, discarded, plastic doesn't just evaporate into thin air. No, it lingers. For decades. Even centuries. According to statistics presented by Visual Capitalist , plastic daily consumer goods can break down between 20 and 600 years, depending on the composition used, how they were created, and natural elements like water and sunlight they are exposed to. Let's go deeper into why plastic takes so long to break down — and what horrid messes it leaves behind in the process. Why Plastic Isn't "Natural" — and Why That's a Problem Plastic does not naturally exist. It's a product made from petroleum and natural gas. Its long, tough carbon bonds differ from anything naturally found in ecosystems, making it extremely resistant to microbial breakdown. When we toss a plastic bottle or bag away, it's not a matter of if it will s...

Fallingwater: Where Architecture Meets the Wild

Located in southwestern Pennsylvania's woods, Fallingwater is not a house, but a powerful conversation between nature and architecture. Completed in 1935 by Frank Lloyd Wright for the Kaufmanns, it's one of the only buildings that truly does seem alive—as if it grew directly out of the rock. What is so revolutionary about Fallingwater isn't its appearance—it's Wright's philosophy of organic architecture: the idea that houses are there to harmonize with nature, not dominate it. The house was actually constructed into the land, resting directly above a waterfall on Bear Run. Instead of looking out over the waterfall, Wright built the waterfall into the house, and the sound of running water is therefore a constant companion. Crafted From the Land, For the Land The materials used to build Fallingwater tell their own story. The stone was quarried on-site. Local craftsmen helped shape every contour. The horizontal lines of the cantilevered terraces echo the layered rock...

Barbie’s Feet Are Getting Flatter—And It Says a Lot About Us

Barbie’s arched feet have long been a part of her image—tiny, pointed, and forever perched for stilettos. But that’s starting to change. A new study reveals that Barbie’s feet are flattening, and that shift isn’t just about doll design—it reflects a broader change in how we think about women’s fashion and comfort. A team of podiatrists at Monash University analyzed 2,750 Barbie dolls produced between 1959 and 2024. They found that while every single doll in the 1960s had permanently arched feet made to fit high heels, only about 40% of Barbies in the 2020s still have that same foot shape. This shift isn’t random. It follows Barbie’s growing list of careers—astronaut, firefighter, doctor—where practical shoes make a lot more sense than stilettos. This change was even acknowledged in the 2023 Barbie movie. In one early scene, Margot Robbie’s Barbie steps out of her heels and her feet stay arched, just like the classic dolls. But later in the film, her feet flatten out, a visual cue ...

Ecoclimax

Search This Blog