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originally posted by: Hakaiju
a reply to: network dude
You won't be able to see any rise in sea level. See, all of the plastic that is floating in the oceans exerts a downward force on the surface of the water and keeps sea levels from rising. Prominent scientists have calculated that the downward pressure cancels out the rise in sea level due to ice melt. So the extinction event level danger is still just a few years away, it's just not visible.
What is the environmental impact of smartphones?
The average annual carbon footprint of a single smartphone is 63 kg CO2e. Although estimated equivalents are not an exact comparison, the Carbon Trust equate this to driving a car for 155 miles.
In the past five years, global smartphone usage has almost doubled, # with our craving for the latest devices resulting in 1.5 billion global sales of new devices, every year. The latest statistics published by Exploding Topics in December 2023, state that the average person now uses their smartphone for 3 hours and 15 minutes a day, checking it approximately 58 times.
As a result, carbon emissions linked to smartphone use have risen greatly, now dwarfing the CO2e contributed by PCs or laptops, according to research by McMaster University, Canada.
Back in 2020, researcher and author Mike Berners-Lee stated that the number of mobile phones in use, worldwide, created a global carbon footprint in the region of a whopping 580 million tonnes of CO2e – approximately 1% of all worldwide emissions.
www.tier1.com...
originally posted by: underpass61
a reply to: BedevereTheWise
The FACT that it is sinking would have one presume that it would be a very poor example to use to justify sea level rise, considering that you have an entire global coastline to choose from.
Derp
originally posted by: BedevereTheWise
originally posted by: underpass61
a reply to: BedevereTheWise
The FACT that it is sinking would have one presume that it would be a very poor example to use to justify sea level rise, considering that you have an entire global coastline to choose from.
Derp
The fact it also sinking means it's one of most affected by sea level rising.
So no, not necessarily a poor example or indeed 'derp'.
originally posted by: PorkChop96
a reply to: Hakaiju
I would be very curious to see there studies and calculations, as I feel it would be very hard for even the most knowledgeable scientists to tell us exactly how much debris is floating around, or under for that matter, our oceans.
Feel like sharing those with us?
originally posted by: underpass61
originally posted by: BedevereTheWise
originally posted by: underpass61
a reply to: BedevereTheWise
The FACT that it is sinking would have one presume that it would be a very poor example to use to justify sea level rise, considering that you have an entire global coastline to choose from.
Derp
The fact it also sinking means it's one of most affected by sea level rising.
So no, not necessarily a poor example or indeed 'derp'.
Affected by two completely unrelated conditions - "most affected" by sinking which means nothing on a global scale.
Derp on, bro
The Medieval Warm Period (MWP), also known as the Medieval Climate Optimum or the Medieval Climatic Anomaly, was a time of warm climate in the North Atlantic region that lasted from c. 950 to c. 1250.[2] Climate proxy records show peak warmth occurred at different times for different regions, which indicate that the MWP was not a globally uniform event.
Possible causes of the MWP include increased solar activity, decreased volcanic activity, and changes in ocean circulation. Modelling evidence has shown that natural variability is insufficient on its own to explain the MWP and that an external forcing had to be one of the causes.
The Paleocene–Eocene Thermal Maximum (PETM) was a period of rapid global warming that occurred around 55.8 million years ago. During this time, the average global temperature rose by 5–8 °C (9–14 °F), or up to 73 °F, which is much warmer than today's average of less than 60 °F. The warming occurred over a relatively short period of 15–20,000 years, which is a little slower than the rate of warming over the past 50 years.
Around 56 million years ago, global temperatures rose five degrees Celsius in a few thousand years due to a massive release of greenhouse gases into the atmosphere and oceans. This release may have been caused by burning fossil fuels, releasing methane hydrate deposits, thawing permafrost, or drying, baking, or burning living material.
originally posted by: Degradation33
a reply to: Xtrozero
Can I add a 6th one?
6. Interglacial temperature change charts do not look like this without MAJOR causes.
This is NOT how a normal warm period looks without a catalyst.
The MWP and little ice age that followed, are cored to have been within a consistent gradient globally, even if areas of The North Atlantic fluctuated. The global data shows it was an anomalous event during a cooling period.
The Medieval Warm Period (MWP), also known as the Medieval Climate Optimum or the Medieval Climatic Anomaly, was a time of warm climate in the North Atlantic region that lasted from c. 950 to c. 1250.[2] Climate proxy records show peak warmth occurred at different times for different regions, which indicate that the MWP was not a globally uniform event.
Possible causes of the MWP include increased solar activity, decreased volcanic activity, and changes in ocean circulation. Modelling evidence has shown that natural variability is insufficient on its own to explain the MWP and that an external forcing had to be one of the causes.
To do it globally you really do need a more global external forcing.
We have passed Paleocene-Eocene thermal maximum temperature rises.
The Paleocene–Eocene Thermal Maximum (PETM) was a period of rapid global warming that occurred around 55.8 million years ago. During this time, the average global temperature rose by 5–8 °C (9–14 °F), or up to 73 °F, which is much warmer than today's average of less than 60 °F. The warming occurred over a relatively short period of 15–20,000 years, which is a little slower than the rate of warming over the past 50 years.
Mammals were still squirrels then and it happened naturally.
Around 56 million years ago, global temperatures rose five degrees Celsius in a few thousand years due to a massive release of greenhouse gases into the atmosphere and oceans. This release may have been caused by burning fossil fuels, releasing methane hydrate deposits, thawing permafrost, or drying, baking, or burning living material.
It can happen naturally, and in as little as 15 years. I just am waiting for a better answer to what's causing this thermal maximum than humans screwing with carbon and sulfur emissions.
Maybe it's Solar? Just prove the cause of the thermal maximum. I'm not latched onto anthropogenic cause anyway. But it needs explaining now.
originally posted by: network dude
I actually had this conversation with another member, who posted a picture of a fort in Sydney harbor from over 100 years ago, then posted a picture in-between tides, claiming that was proof, until another picture was found showing the identical water line today, as 100 years ago.
I'm not against being shown I'm wrong, but lying to me just isn't as convincing as it used to be.
originally posted by: Shoshanna
does anybody know why the greenhouse gas doesn't rise up through the atmosphere and go into space? Is it heavier than air? I probably sound dumb but I'm trying to understand this.
originally posted by: underpass61
The coastal Nigerian community of Ayetoro was founded decades ago and nicknamed “Happy City,” meant to be a Christian utopia that would be sinless and classless. But now its remaining residents can do little against the rising sea.
Buildings have sunk into the Atlantic Ocean, an increasingly common image along the vulnerable West African coast. Old timber pokes from the waves like rotten teeth. Shattered foundations line the shore. Waves break against abandoned electrical poles.
originally posted by: StudioNada
a reply to: network dude
as ice melts, the water weight Sinks the ocean floor ... and the molten rock below gets pushed to the surface as Lava
the dynamic is obvious
originally posted by: chr0naut
originally posted by: underpass61
Again, look at the high tide line and look into the more than a century of tidal measurements made there.
... and don't fall for social media BS. Check things out before reposting.