Blog Archives

Warming Gases hidden in Plastic Waste

It’s your classic movie eureka moment.
Young researcher Sarah-Jeanne Royer set out to measure methane gas coming from biological activity in sea water. Instead, in a “happy accident” she found that the plastic bottles holding the samples were a bigger source of this powerful warming molecule than the bugs in the water.

Now she’s published further details in a study into the potential warming impact of gases seeping from plastic waste. “It was a totally unexpected discovery,” Dr Royer told BBC News.

“Some members of the lab were experimenting with high density polyethylene bottles looking at methane biological production, but the concentrations were much higher than expected.”

“So we realised that the emissions were not just coming from the biology but from the bottle that we were using for...

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Almost all world’s oceans damaged by human impact, study finds

Orona Island, an uninhabited island in the Phoenix Islands, Kiribati.

Just 13% of the world’s oceans remain untouched by the damaging impacts of humanity, the first systematic analysis has revealed. Outside the remotest areas of the Pacific and the poles, virtually no ocean is left harbouring naturally high levels of marine wildlife.

Huge fishing fleets, global shipping and pollution running off the land are combining with climate change to degrade the oceans, the researchers found. Furthermore, just 5% of the remaining ocean wilderness is within existing marine protection areas.

“We were astonished by just how little marine wilderness remains,” says Kendall Jones, at the University of Queensland, Australia, and the Wildlife Conservation Society, who led the new research...

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Heat Waves May Cause Fish to Flee Reefs

A school of fish swims in the Coral Sea

It’s no secret that global warming is bringing dramatic changes to coral reef ecosystems. Scientists have widely believed that habitat loss caused by coral death has the biggest effect on reef fish and invertebrates. Changes caused by warm water are actually faster and more widespread than the effects of habitat loss.Now new research has found that reef fish populations shift in direct response to the temperature itself and that changes caused by warm water are actually faster and more widespread than the effects of habitat loss.

The findings are significant for coral reef protection because a loss of biodiversity, especially of fish that eat harmful algae, could make it harder for reefs to recover from heat waves.

“I was surprised by how dramatic the response was over such a short time...

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Rare coral found off the west coast of Ireland

Rare coral found in Irish waters

Rare coral has been found in a deep sea research mission off the west coast of Ireland. Scientists from the Marine Institute in Galway found a black coral previously undocumented in Irish waters. 

The team of marine experts, who spent three weeks at sea, also spotted areas of potential sponge reef, previously only recorded in Canadian waters.

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What is the environmental impact of Europe’s warmer-than-ever seas?

Europe's sea temperatures

Sizzling temperatures in northern Europe will likely see more people flock to enjoy a dip in the warmer-than-normal water in the coming days.

But, while on the face of it this sounds like a positive development, do higher sea temperatures come at a cost?

Yes, according to Hans-Martin Füssel, a climate change expert from the European Environment Agency (EEA).

He told Euronews that warmer waters in Europe had been linked to more water-borne disease and a worsening of so-called sea dead zones, where increased temperatures mean there is less oxygen for marine life to survive on.

“But the most worrying effects of sea temperature rises are in the tropical and subtropical zones,” said Dr Füssel. “In particular coral reefs, the long-term perspective for them is extremely bad.

“During the 2...

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Wave of plastic hits Beach

Plastic is washed up in a wave on a beach in the Dominican Republic

A wave of plastic has hit a beach in the Dominican Republic. This was the scene after a storm on Thursday. The BBC spoke to the organisation who shot the footage of the plastic on the shoreline.

This is unfortunately, what is becoming ‘the new normal’.

 

 

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Meet Two Generations of Leading Ocean Protectors

Sylvia Earle investigates a towering tube sponge in Bonaire.

As one of conservation’s most accomplished and recognizable leaders, Sylvia Earle has campaigned on behalf of the ocean for half a century. Now well into her eighties, Earle maintains a demanding schedule of exploration, education, and advocacy work that has her spanning the globe and meeting with everyone from world leaders to school children.

Although it is often out of mind to the general public, the ocean is critical to life on Earth, says Earle, who has broken many exploration records in her long career, earning her the nickname “Her Deepness.”

“The ocean is so much more than fish,” says Earle, who is also a Rolex Testimonee. “Think carbon cycle, think climate, think the chemistry of the planet that has shaped all life on Earth.”

Earle has inspired millions of pe...

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The Science Behind Coral

Coral reefs

The color coral gets its unique coloration from the organisms that live within the coral, forming a symbiotic relationship with it. The organisms that give coral their color are called zooxanthellae, and the coral reefs provide the organisms with a safe place to live.

To better understand the relationship between coral and zooxanthellae, it would help to know some more about both the coral and the zooxanthellae that inhabit the coral.

Fact about coral

Coral, though many people mistake them for plants, are actually marine invertebrates. Coral are of the class Anthozoa of phylum Cnidaria, and they can reproduce either sexually or asexually. The Cnidaria phylum contains other creatures like anemones and jellyfish, any animal which can be referred to as a polyp.

Coral typically coexist in tigh...

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Killer whales are dying off in the Pacific Northwest

Female orca leaps from the water

“I believe we have orcas in our soul in this state.” Those were the words of Washington Gov. Jay Inslee earlier this year after forming the Southern Resident Orca Task Force, an initiative meant to keep endangered killer whales alive in the region.

Contributing to their extinction there, per the New York Times, is the fact that they’re starving to death as their main food source, Chinook salmon, disappears.

KOMO reports that, per the latest census numbers, there are just 75 killer whales in the Pacific Northwest—a 30-year low...

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Using Drones to Stem The Plastic Tide

Man on beach with drone and plastic

An environmental organization in England is using drones and artificial intelligence to help measure plastic waste on the world’s beaches. In the last 10 years, there has been a 250% increase of plastics washing up on the world’s beaches. Of the millions of tons that are dumped in our oceans each year, we can only account for around 1%. The rest – yes, that’s 99% of millions of tons – is missing, lost among the waves. That’s the startling introduction from The Plastic Tide founder Peter Kohler.

Having the noble intention of cleaning up the mess we have made is just the start. The scale of that task is monumental. Aside from all the plastic floating around in the oceans and on the sea floor, spotting the waste that does turn up on beaches among pebbles and sand isn’t easy.

In...

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