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Land-based sources (such as agricultural run-off, discharge of nutrients and pesticides and untreated sewage including plastics) account for approximately 80% of marine pollution, globally. Marine habitats worldwide are contaminated with man-made debris. Oil spills remain a concern, though actual spills have decreased steadily for several decades.

Excessive nutrients from sewage outfalls and agricultural runoff have contributed to the increasing incidence of low oxygen (hypoxic) areas known as dead zones, where most marine life cannot survive, resulting in the collapse of some ecosystems. There are now close to 500 dead zones with a total global surface area of over 245,000 km², roughly equivalent to that of the United Kingdom. The excess nitrogen can also stimulate the proliferation of seaweeds and microorganisms and cause algal blooms. Such blooms can be harmful (HABs), causing massive fish kills, contaminating seafood with toxins and altering ecosystems.

Litter can accumulate in huge floating garbage patches or wash up on the coasts. Light, resistant plastics float in the Ocean, releasing contaminants as they break down into micro-particles that animals mistake for food. Fish and birds can choke on these particles, get sick as they accumulate toxins in their stomachs, or become entangled in larger debris.

As the world saw in 2010, the Gulf of Mexico deep-water oil spill had a devastating effect on the entire marine ecosystem, as well as the populations that depend on the marine areas for their livelihoods. Smaller oil spills happen every day, due to drilling incidents or leaking motors, negatively impacting birds, marine mammals, algae, fish and shellfish.

SOURCE: UNESCO website

Latest

8 Aug 2018 - Denim made from ocean-trash plastic? Recycled fishnets? Meet the wave of the future.

Approved

2 Aug 2018 - A sustainable fashion brand has created a footwear range made from single-use plastics collected from the ocean floor.

Approved

29 Jul 2018 - The company also said it would stop using "virgin" plastic in its offices, shops, warehouses and distribution centers, saving an estimated 40 tons of plastic per year.

Approved

25 Jul 2018 - Ulzii and other women living nearby support themselves by making brooms and household furniture such as chairs and sofas from plastic litter that they collect in the streets.

Approved

Bali, Indonesia. Intergovernmental Review Meetings (IGR) are organised every 5 years.

Event Date:
31/10/2018 - 09:30 to 01/11/2018 - 17:30
Approved

23 July 2018 - Abandoned fishing nets in our oceans are a big problem. Every year, more than 600,000 tonnes of nets are lost into the oceans.

Approved
17 Jul 2018 - Clothing has been identified as a major polluter, with plastic microfibers ending up in the ocean as polyester, nylon and acrylic are washed.
Approved

6 Jul 2018 - Fisherman in India’s southern state of Kerala are taking on the battle to cut the level of plastic waste in the oceans.

Approved

3 Jul 2018 - Seattle is believed to be the first major U.S. city to ban single-use plastic straws and utensils in food service, according to Seattle Public Utilities.

Approved
3 Jul 2018 - The Lion’s Share fund will see partners contribute 0.5 percent of their media spend to support wildlife - including marine life - around the world. 
Approved

2 Jul 2018 - Approximately 40% of the world’s 7.6 billion people live within 62 miles (100km) of an ocean coast. For the other 60%, some of whom may never have even seen an ocean, the seas still play a vital role in their lives.

Approved

26 Jun 2018 - One of the finalists in the 3M Young Scientist Challenge, Anna Du’s robot is designed to use infrared light to help us understand just how badly our oceans are being ruined with trash.

Approved