Climate Change News & Discussions

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Yuli Ban
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Climate Change News & Discussions

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This thread will discuss issues relating specifically to climate change, especially anthropogenic climate change, the disastrous effects thereof, and efforts to mitigate the worst effects. However, natural climate change and the natural cycle of Earth also counts.

World's largest iceberg has just broken off an Antarctic ice shelf
An iceberg bigger than Majorca that calved off an Antarctic ice shelf has been spotted by satellites, and declared the world’s largest iceberg.

The finger-shaped iceberg, which is about 4320 square kilometres in size, isn’t thought to have been caused by anthropogenic climate change.

Named A-76, the iceberg broke off the Ronne ice shelf into the Weddell Sea in recent days, according to the European Space Agency. The area has been spared an influx of warm ocean water affecting other parts of western Antarctica, which is threatening to release huge glaciers such as one called Thwaites.

“It’s not an area that is undergoing any significant change because of global heating. The main message is it’s part of a natural cycle,” says Alex Brisbourne, a glaciologist at the British Antarctic Survey.
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The finger-shaped iceberg is about 4320 square kilometres in size
ESA/Earth Observation
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Climate change: Millions of homes at risk of subsidence by 2070, warns British Geological Survey
Wednesday 19 May 2021

Millions of homes are at risk of subsidence in the next fifty years as a result of climate change, the British Geological Survey (BGS) has warned.

New analysis finds that the number of buildings across Britain highly or extremely likely to suffer "shrink-swell" is set to double from 3% in 1990 to 6.5% by 2030.

By 2070, more than four million properties (10% of the national total) risk being highly or extremely likely to face subsidence.

"Shrink-swell" refers to the flux of soil volume when ground moisture levels change. Experts fear the phenomenon will worsen as the UK faces more extreme weather from climate change.
https://news.sky.com/story/climate-chan ... y-12310644
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I had to get an uber to a appointment due to a climate protest.
I respect their effort but I don't think their tactics will get them anywhere based on my political beliefs.

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Australian alpine plants face bleak future from rapid climate change
May 24, 2021

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Native Australian alpine plants may not be able to adapt or migrate quickly enough to survive rapid changes in climate change, a UNSW study has found.

The study of 21 plants from Kosciuszko National Park, published in Ecology and Evolution, found that 20 were not responding to warming conditions.

Only one species—the Star plantain (Plantago muelleri)—showed that it was adapting to warmer conditions by displaying an increase in plant size.

The second plant that showed evidence of a change in plant traits was the Cascade Everlasting (Ozothamnus secundiflorus), but it decreased in leaf thickness over a 125-year time period.
https://phys.org/news/2021-05-australia ... rapid.html
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Infertility poses major threat to biodiversity during climate change, study warns
https://phys.org/news/2021-05-infertili ... rsity.html
by University of Liverpool
A new study by University of Liverpool ecologists warns that heat-induced male infertility will see some species succumb to the effects of climate change earlier than thought.

Currently, scientists are trying to predict where species will be lost due to climate change so they can plan effective conservation strategies. However, research on temperature tolerance has generally focused on the temperatures that are lethal to organisms, rather than the temperatures at which organisms can no longer breed.
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Turkey struck by ‘sea snot’ because of global heating
Tue 25 May 2021

When seen from above, it looks like a brush of beige swirled across the dark blue waters of the Sea of Marmara. Up close, it resembles a creamy, gelatinous blanket of quicksand. Now scientists are warning that the substance, known as sea snot, is on the rise as a result of global heating.

The gloopy, mucus-like substance had not been recorded in Turkish waters before 2007. It is created as a result of prolonged warm temperatures and calm weather and in areas with abundant nutrients in the water.

The phytoplankton responsible grow out of control when nutrients such as nitrogen and phosphorus are widely available in seawater. These nutrients have long been plentiful in the Sea of Marmara, which receives the wastewater of nearly 20 million people and is fed directly from the nutrient-rich Black Sea.
https://www.theguardian.com/environment ... al-heating
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Amsterdam bans fossil fuel ads from its metro

May 13, 2021 · 3:15 PM EDT

People passing through Amsterdam’s busy metro system will no longer see ads for greenhouse gas-intensive products such as gas-powered cars and cheap flights around Europe.

Last week, the Amsterdam City Council instituted a ban on these ads in the city’s subway system, which advocates hope will pave the way for larger, more comprehensive ad bans across the Netherlands and beyond.

This particular ban will impact the hundreds of large-screen TV ads that play to the 4 million weekly passengers that use the metro each week.

“We have a dwell time of between four and eight minutes at platforms,” said Radjen van Wilsem, the chief executive officer of CS Digital Media, the company that places ads in the metro. “In that dwell time, as an advertiser, you have a lot of time to tell your story.”

The stories in those ads will no longer promote a fossil-fuel-loving lifestyle. About 10% of the ads will be discontinued, such as ads for petrol-powered rental cars from companies like Sixt, Avis and Budget.

https://www.pri.org/stories/2021-05-13/ ... -its-metro
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Airships for city hops could cut flying’s CO2 emissions by 90%

Wed 26 May 2021

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For those fancying a trip from Liverpool to Belfast or Barcelona to the Balearic Islands but concerned about the carbon footprint of aeroplane travel, a small Bedford-based company is promising a surprising solution: commercial airships.

Hybrid Air Vehicles (HAV), which has developed a new environmentally friendly airship 84 years after the Hindenburg disaster, on Wednesday named a string of routes it hoped to serve from 2025.

The routes for the 100-passenger Airlander 10 airship include Barcelona to Palma de Mallorca in four and a half hours. The company said the journey by airship would take roughly the same time as aeroplane travel once getting to and from the airport was taken into account, but would generate a much smaller carbon footprint. HAV said the CO2 footprint per passenger on its airship would be about 4.5kg, compared with about 53kg via jet plane.

Other routes planned include Liverpool to Belfast, which would take five hours and 20 minutes; Oslo to Stockholm, in six and a half hours; and Seattle to Vancouver in just over four hours.

https://www.theguardian.com/world/2021/ ... ions-by-90
“People assume that time is a strict progression of cause to effect, but *actually* from a non-linear, non-subjective viewpoint - it's more like a big ball of wibbly wobbly... time-y wimey... stuff.” - Steven Moffat
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The last 30 years were the hottest on record for the United States
The U.S. Southwest sweltered under months of blistering temperatures in 2020, including a record-breaking June heat wave (shown) in Phoenix.

There’s a new normal for U.S. weather. On May 4, the National Oceanic and Atmospheric Administration announced an official change to its reference values for temperature and precipitation. Instead of using the average values from 1981 to 2010, NOAA’s new “climate normals” will be the averages from 1991 to 2020.

This new period is the warmest on record for the country. Compared with the previous 30-year-span, for example, the average temperature across the contiguous United States rose from 11.6° Celsius (52.8° Fahrenheit) to 11.8° C (53.3° F). Some of the largest increases were in the South and Southwest — and that same region also showed a dramatic decrease in precipitation (SN: 8/17/20).


https://www.sciencenews.org/article/cli ... ted-states
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