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Cruise ships empty dirty water from pools in the sea

Source: dpa /

Fatal consequences: Cruise ships empty dirty water from pools in the sea


In the pool, the water on the cruise ships lands a lot of sunscreen, which then unfortunately often lands in the sea.

According to Mallorca magazine, referring to the Spanish Ministry of Infrastructure, cruisers have again shot and dirty pool water into the sea again – with consequences for our ecosystem.

Occasionally, cases are reported in which cruise ships drown their dirty water from the pool right into the sea. This has consequences for the ocean and its inhabitants.

The action caused oil stains on the water

As reported by Malorca Magazine, emptying the cruise ship pool around Mallorca is becoming a growing problem. According to a recent statement by the Spanish Ministry of Infrastructure on July 8, a pollution warning would arrive in Majorca due to the amount of sunflower oil spilled onto seawater.

Although only six such works have been recorded and reported since 2010 in the Balearic Islands, the number of unreported cases is much higher.

Although there is an international regulation of 1973, according to which untreated water, that is, also from a pool, can be discharged from the coast beyond the twelve nautical mile limit from the coast, many shipping companies are still obliged to do so. It is unclear so far whether this limit has been met in the specific case of 8 July.

How cruise ships should become more environmentally friendly in the future you can read here:

Fish waste as fuel: cruise ships should become more environmentally friendly

Sunscreen can cause significant damage to the ecosystem

If we take a bath in the sunny summertime, natural sunblock to protect ourselves. This is important for preventing skin cancer. However, sunscreen is obtained when bathing in bath water. It is estimated that about 14,000 tonnes of sunscreen will end up in the sea each year.

Scientists see the problem mainly in two ingredients: octinoxate and oxybenzone. In Hawaii, they have been banned since last year. They are used in many sunscreens as a UV filter to prevent ultraviolet radiation from the sun from damaging human skin.

Possible consequences of offshore chemicals could be, for example, coral bleaching or damage to fish or coral genetic material. The Federal Environmental Protection Agency (UBA) has been preoccupied with UV filters for years. The background to this is the realization that some substances have a hormone-like effect, that they can accumulate in the environment and organisms and cause toxic stress – with unclear long-term consequences for ecosystems.

3-Benzylidene camphor is an example of a UV filter that has been banned in the EU by cosmetics because hormonal activity has been found to have adverse effects on aquatic organisms.

In July, a cruise ship caused unrest in Venice due to a near-collision:

Near collision in Venice: Cruise ship collapses due to disaster

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