World Oceans’ Day – Containers and Plastics

Everyone needs to play a part. You can make a difference today – and every day — by doing simple things like carrying your own water bottle, coffee cup and shopping bags, recycling the plastic you buy, avoiding products that contain microplastics and volunteering for a local clean-up. Antonio Guterres, Secretary of the United Nations

The biggest rubbish tip on the planet

By Roger Childs

Readers will remember the Rena running aground on Astrolabe Reef near Tauranga back in 2011. Scores of containers fell into the sea and leaking oil polluted the ocean and nearby beaches. Hundreds of birds and fish died as a result.

Unfortunately this is not an uncommon occurrence.

It is estimated that up to 10,000 containers fall off ships every year. They may float for more than 50 days and be a hazard for any craft on the high seas.  About a week ago, 83 containers fell off a ship in wild weather off the New South Wales coast.

However this is not the biggest problem the world’s oceans have to cope with.

The catastrophic menace of plastics

The fate of one of hundreds of Midway Island Birds (Credit: Chris Jordan)

Once regarded as a wonder product for wrapping and storage, the ubiquitous plastic is the world’s greatest pollutant. Oceans, which cover over 70% of the Earth’s surface are especially vulnerable as they have long been regarded as a convenient dumping place for rubbish.

A few years ago I saw a video of the tragic case of Midway Island birds dying of plastic. When autopsies were done their stomachs were found to be full of plastic waste. Sadly it is happening all over the world.

Here’s a summary from a United Nations website of the impact of plastics on the ocean ecosystems.

  • 80% of all pollution in the ocean comes from people on land.
  • 8 million tonnes of plastic per year ends up in the ocean, wreaking havoc on wildlife, fisheries and tourism.
  • Plastic pollution costs the lives of 1 million seabirds and 100,000 marine mammals per year.
  • Fish eat plastic, and we eat the fish.
  • Plastic causes $8 billion in damage to marine ecosystems each year.

Much has been written on the plastics problem in recent years, and documentary makers from Jacques Cousteau to David Attenborough have visually highlighted the immense problems.

Now this from Greenpeace: Microplastics and chemicals found in a range of household goods have found their way into Antarctica’s pristine waters and ice caps … AAP Thursday 7 June 2018

Change starts with us

As the UN Director General says, we can all do our bit. But we need help especially from supermarkets and other shops. Awareness raising in New Zealand has picked up in recent years and some of the big chains are looking at phasing out plastic bags.

In the San Francisco supermarkets if you want a bag you are given a strong paper one.

However, one of the problems currently for us in New Zealand is buying vegetables and fruit. If you want 16 brussel sprouts, 9 mandarins or 12 plums you are only offered a small plastic bag to put them in.

The campaign to reduce the use of plastics and perhaps ban them, may need parliamentary legislation as has happened in France.

France has passed a new law to ensure all plastic cups, cutlery and plates can be composted and are made of biologically-sourced materials. The Independent, 17 September 2016

Why we need to clean up the oceans

Healthy world oceans are critical to our survival. They

  • generate most of the oxygen we breathe
  • provide fish to us
  • regulates our climate, very noticeably in New Zealand
  • contain over 90% of the world’s water
  • are the source of many medicines
  • provide enormous pleasure for the general public, notably those who like to be beside the seaside, swimmers and boaties.

They cover most of the planet and must be cleansed and preserved. It has to be a united international campaign.

 

 

 

 

 

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