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World Ocean Day is celebrated every 8 June as a reminder of how integral our seas are to life on Earth.

A United Nations initiative, Oceans Day was first declared in 1992 following the UN Conference on Environment and Development in Rio de Janeiro, also known as the Earth Summit, which led to important climate change goals.

In 2008, 8 June was officially designated as World Ocean Day, with a different theme each year.

What is World Ocean Day?

The day is an opportunity to raise global awareness of the benefits humans get from the ocean and our individual and collective duty to use its resources sustainably.

It is also a chance to celebrate and appreciate what the ocean provides, from the oxygen we breathe to the inspiration it provides artists.

Why does World Ocean Day matter?

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Oceans cover more than 70% of the planet, produce at least 50% of the world’s oxygen, are home to most of the Earth’s biodiversity and are the main source of protein for more than a billion people.

They also absorb about 30% of carbon dioxide produced by humans – a buffer for the detrimental impacts of global warming.

The UN hopes World Ocean Day will help inform the public of human actions on the ocean and develop a worldwide movement to protect it and unite the world in sustainably managing the oceans.

The world's oceans are home to most of the earth's biodiversity
Image:
The world’s oceans are home to most of the Earth’s biodiversity

What is this year’s theme and what are they hoping to achieve?

The Ocean: Life and Livelihoods is 2021’s World Ocean Day theme.

By 2030, an estimated 40 million people will be employed by ocean-based industries.

But the UN says we are taking more from the ocean than can be replenished, with 90% of big fish populations currently depleted and 50% of coral reefs destroyed.

It says a new balance must be created, “rooted in true understanding of the ocean and how humanity relates to it”.

The aim of the day is to build a connection to the ocean that is “inclusive, innovative and informed by lessons from the past”.

Why is this year particularly important?

It is vital to help protect the ocean every day, but this World Ocean Day comes in the year that the UN Decade of Ocean Science for Sustainable Development begins.

From 2021 to 2030, efforts are being made to use our current knowledge of the oceans better to help politicians and decision-makers choose the best options to save oceans and measure the possible consequences of policies.

Workers offload tuna from a fishing boat in Port Victoria
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90% of big fish populations are currently depleted, the UN says

The decade is also aimed at supporting a sustainable Blue Economy, sharing the responsibility of protecting oceans and at bolstering scientific research and technologies.

It is all part of the 2030 Agenda for Sustainable Development adopted by all UN members to end poverty and other deprivations, reduce inequality, spur economic growth, tackle climate change and preserve our oceans and resources.

Who can get involved?

Everyone!

Science centres, research institutes, governments, NGOs, businesses and communities all around the world are planning local and global events involving millions of people.

But you do not have to be part of a group to get involved.

World Ocean Day is happening virtually for the second year in a row, thanks to the pandemic, meaning anyone can sign up to hear talks.

Last year, 350,000 people watched the programme, while 60 million people were talking about it on social media.

Face mask on beach
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Lockdowns around the world have not stopped pollution in our seas

There will be a wide range of more than 40 people talking, including UN Secretary-General Antonio Guterres, actor and environmentalist Gael Garcia Bernal, PhD marine biology student Nicole Yamase, ocean explorer Jean-Michel Cousteau, actor and oceans activist Sam Waterstone and Marisa Drew, chief sustainability officer at Credit Suisse.

Events start at 10am EST (3pm UK time) and will end with a virtual Concert for the Ocean from 4.10pm EST (9pm UK time).

You can sign up for the events here.

The Daily Climate Show

Sky News has launched the first daily prime time news show dedicated to climate change.

The Daily Climate Show is broadcast at 6.30pm and 9.30pm Monday to Friday on Sky News, the Sky News website and app, on YouTube and Twitter.

Hosted by Anna Jones, it follows Sky News correspondents as they investigate how global warming is changing our landscape and how we all live our lives.

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Former UN chief’s labelling of Gaza war as ‘genocide’ marks extraordinary shift

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Former UN chief's labelling of Gaza war as 'genocide' marks extraordinary shift

In a stark and direct intervention, Martin Griffiths, the former UN humanitarian chief, has described the situation in Gaza as genocide.

The statement, made during an interview I conducted with Griffiths on The World, marks one of the most pointed accusations yet from a figure known to be deeply embedded in the world of international politics and diplomacy.

“I think now we’ve got to the point this is unequivocal. Of course it is genocide. Just as it is weaponising aid.

“We don’t need to look behind ourselves to see that’s the case. That should encourage us even more because we, of course, all doubted whether it would come to that level of definition.

“We all doubted whether famine is actually there. I think starvation is killing people. That’s bad enough. We don’t have to worry about famine, which is obviously there lurking in the shadows.

“Also, genocide… of course that’s what has happened. We only need to look at the statements made. Prime Minister Netanyahu has the virtue of being very clear about his objectives.”

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Ex-Israeli aide dismisses genocide claims

His choice of words is extraordinary – not just for its gravity, but because it’s Griffiths who is saying it.

A veteran diplomat with decades of experience navigating complex international crises, Griffiths is known for his calm and thoughtful demeanour – not for inflammatory language.

For him to use the term “genocide” in a television interview signals a significant shift in how some within the international system are now interpreting events on the ground in Gaza – 20 months since Israel launched its war.

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‘We carry our coffins with us’

Read more:
How Gaza’s new aid rollout system collapsed into chaos
Israel’s illegal settlements – and those fighting back

The timing is also noteworthy.

Just weeks earlier, Tom Fletcher, another respected former British ambassador and current UN humanitarian chief, came close to using the phrase during a UN Security Council session.

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He said: “What more evidence do you need now? Will you act decisively to prevent genocide and to ensure respect for international humanitarian law? Or will you say instead: ‘we did all we could?'”

Whilst he stopped short, his tone showed a clear change in how leading international figures now view the direction of Israeli military operations in Gaza; staggering civilian deaths, and the statements made by Israeli officials prosecuting this war.

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In full: The World with Yalda Hakim

Griffiths’ remarks now go a step further.

It comes as the British government continues to grapple with public anger over the mounting civilian toll – and faces growing scrutiny over its continued arms exports to Israel.

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Children ‘should be treated in UK’

This latest statement by Griffiths doesn’t just reflect humanitarian concern.

As a former ambassador, he knows the weight his words carry.

And with the humanitarian crisis in Gaza worsening, his warning challenges Israel’s allies to ask deeply uncomfortable questions.

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Lawyers representing Israel against accusations brought by South Africa to the International Court of Justice last year – accusing its actions in Gaza of amounting to genocide – called the claims “unfounded”, “absurd” and amounting to “libel”.

They went on to say Israel respected international law and had a right to defend itself.

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More than 40% of Europe slides into drought, including pockets of Greece, southern Italy and Spain

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More than 40% of Europe slides into drought, including pockets of Greece, southern Italy and Spain

Well over a third of Europe, including parts of holiday destinations like Spain, Greece and Italy, are now in drought.

March was Europe’s warmest on record – a trend driven by climate change – and also saw below average rain across large parts of the north and east of the continent.

Now 41.2% of Europe finds itself in some form of drought, according to the latest update from the EU’s European Drought Observatory, which covers 11 to 20 May.

It is most acute in pockets of south-eastern Spain, Cyprus, Greece and Albania, where the strongest “alert” category has been issued, as well as parts of Poland and Ukraine.

But broad stretches of northern and eastern Europe through France, Germany, Poland and Ukraine also drying up, sowing concerns about crop yields.

On Thursday, the UK’s Environment Agency officially declared a drought in North West England after river and reservoir levels were licked away by a dry spring.

More than 40% of Europe was in drought as of 11-20 May 2025. Pic: CEMS /  EDO
Image:
More than 40% of Europe was in drought as of 11-20 May 2025. Pic: CEMS / EDO

Heat was record high in March in Europe, while the south of the continent was much wetter than average and the north much drier. Source: Copernicus Climate Change Service
Image:
Heat was record high in March in Europe. The image on the right shows the south of the continent was much wetter than average and the north much drier. Source: Copernicus Climate Change Service

Greece tourism is ‘unsustainable’

In Greece, “overtourism” from millions flocking to its beaches adds further pressure to water supplies, said Nikitas Mylopoulos, professor of water resource management at Thessaly University.

“The tourist sector is unsustainable and there is no planning… leading to a tremendous rise in water demand in summer,” he told Sky News.

“The islands have an intense problem of drought and water scarcity.”

Islands like Santorini and Mykonos are now forced to ship in water from Athens or desalination plants to provide for showers and swimming pools. In the past, many residents could make do with local methods like rainwater harvesting.

But agriculture is a far bigger drain on the country’s water, with waste rife and policies lacking, said Prof Mylopoulos.

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‘Tropical nights’ soar in European hotspots

Wildfire season could be ‘particularly difficult’

This year’s hot and dry conditions are also fuelling the risk of yet another fierce wildfire season in Greece.

Last week civil protection minister Ioannis Kefalogiannis warned of a “particularly difficult” summer.

He said a record 18,000 firefighters have been deployed and the drone fleet almost doubled in a bid to combat fires being fuelled by a hotter climate.

Droughts and their causes are more complicated, but scientists at World Weather Attribution say global warming is exacerbating drought in some parts of the world, including around the Mediterranean.

A family of geese walk across a partially dried-out section of the bed of the Woodhead Reservoir after a prolonged period without rain, which resulted in water levels dropping, near Tintwistle, Britain, May 13, 2025. REUTERS/Phil Noble
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A drought was declared in northwest England on Thursday. Pic: Reuters

They found the drought of 2022, which spread across the Northern Hemisphere, was made 20 times more likely by climate change.

The International Hydropower Association said drought and intense rain in Europe are pushing power plants to “operate at the limits of their existing equipment”.

Extreme weather costs the EU about €28.3bn (£23.8bn) in lost crops and livestock per year, according to insurance firm Howden.

Hayley Fowler, professor of climate change impacts at Newcastle University, said: “With global warming, we expect more prolonged and intense droughts and heatwaves punctuated by more intense rainfall, possibly causing flash floods.

“In recent years, we have experienced more of these atmospheric blocks, causing record heat and persistent drought, as well as severe flooding in other locations in Europe.

“Recent months have been no different, with prolonged dry conditions and heatwaves in northern Europe and floods in southern Europe.”

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Nigeria floods: At least 117 dead as heavy flooding submerges thousands of houses

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Nigeria floods: At least 117 dead as heavy flooding submerges thousands of houses

At least 117 people have died and others are still missing after heavy flooding in Nigeria, an emergency official said.

Authorities initially said 21 people had died but this figure has today risen significantly.

Media reports quoting local government officials said a dam collapse has worsened the situation.

Ibrahim Hussaini, head of Niger State Emergency Management Agency, said some 3,000 houses were underwater in two communities.

Videos posted on social media show floodwater sweeping through neighbourhoods, with rooftops barely visible above the brown currents. One clip shows a tanker floating through a town.

A tanker is swept away by floodwaters in Mokwa, Nigeria
Image:
A tanker is swept away by floodwaters


The chairman of the Mokwa local government area suggested poor infrastructure has worsened the impact of the flooding.

Jibril Muregi has appealed to the government to start “long overdue” construction of waterways in the area under a climate resilience project.

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Flooding in Niger, Nigeria
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Water appears to be flowing over a dam behind the town

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In a similar occurrence last September, torrential rains and a dam collapse in Nigeria’s northeastern Maiduguri caused severe flooding, leaving at least 30 people dead and displacing millions.

Nigeria is prone to flooding during the rainy season, which began in April – and flooding is becoming more common and extreme as the climate warms.

Read more:
More than 40% of Europe slides into drought
How melting ice is boosting Russia’s military

Hotter air is thirstier and can hold more moisture – about 7% more for every 1C warmer – meaning it unleashes heavier flooding when it rains.

Violent rain, which killed hundreds of people in Nigeria during 2022, was made at least 80 times more likely and 20% more intense by climate change, analysis by World Weather Attribution found.

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