Climate Change News & Discussions

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raklian
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wjfox wrote: Wed Aug 11, 2021 3:12 pm
Indoor farming is energy-intensive too, though.
Yes, it will be in the initial stage. I think over time the energy usage will decrease due to improvements to lighting technology among other things.
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Global warming begets more warming, new paleoclimate study finds
https://phys.org/news/2021-08-global-be ... imate.html
by Abby Abazorius, Massachusetts Institute of Technology

It is increasingly clear that the prolonged drought conditions, record-breaking heat, sustained wildfires, and frequent, more extreme storms experienced in recent years are a direct result of rising global temperatures brought on by humans' addition of carbon dioxide to the atmosphere. And a new MIT study on extreme climate events in Earth's ancient history suggests that today's planet may become more volatile as it continues to warm.

The study, appearing today in Science Advances, examines the paleoclimate record of the last 66 million years, during the Cenozoic era, which began shortly after the extinction of the dinosaurs. The scientists found that during this period, fluctuations in the Earth's climate experienced a surprising "warming bias." In other words, there were far more warming events—periods of prolonged global warming, lasting thousands to tens of thousands of years—than cooling events. What's more, warming events tended to be more extreme, with greater shifts in temperature, than cooling events.
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Treasury blocking green policies key to UK net zero target
Fri 13 Aug 2021

The Treasury is blocking green policies essential to put the UK on track to net zero emissions, imperilling the UK’s own targets and the success of vital UN climate talks, experts have told the Guardian.

A string of policies, from home insulation to new infrastructure spending, have been scrapped, watered down or delayed. Rows about short term costs have dominated over longer term warnings that putting off green spending now will lead to much higher costs in future.

The UK’s credibility as host of the Cop26 climate talks this November in Glasgow rests on a clear net zero strategy – but publication has been postponed until near the eve of the summit, giving the UK little leverage to bring other countries to the negotiating table with the tougher carbon targets needed. Meanwhile, steep cuts to overseas aid have severely damaged the UK’s standing internationally, experts on the UN talks said.

Jamie Peters, director of campaigning impact at Friends of the Earth, said: “The Treasury has been helping to fuel the climate emergency for far too long. The reality is that a rapid transition to a zero carbon future would be far less expensive than delaying the green measures we so urgently need, and that will create significant economic opportunities and new jobs.”

Civil society groups, thinktanks and political insiders said the Treasury had refused to commit to the spending needed to shift the UK’s economy to a low-carbon footing. Complaints about the potential short-term costs of net zero policies have been one flashpoint during weeks of high tension between the prime minister, Boris Johnson, and the chancellor, Rishi Sunak, the Guardian understands.
https://www.theguardian.com/environment ... ero-target
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weatheriscool
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July was Earth's hottest month on record, NOAA says
Source: KMSP 9 Minnesota
After a month of dangerous heat waves that impacted the globe, the National Oceanic and Atmospheric Administration announced Friday that July was officially the world’s hottest month ever recorded.

"In this case, first place is the worst place to be," said NOAA Administrator Rick Spinrad. "July is typically the world’s warmest month of the year, but July 2021 outdid itself as the hottest July and month ever recorded. This new record adds to the disturbing and disruptive path that climate change has set for the globe."

According to new global data, the combined land and ocean-surface temperature was 1.67 degrees F above the 20th-century average of 60.4 degrees F, making it the hottest July since record keeping began 142 years ago.

Meanwhile, it was 0.02 of a degree F higher than the previous record set in July 2016, which was then tied in 2019 and 2020.

Read more: https://www.fox9.com/news/july-was-eart ... -noaa-says
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Victoria consents to gas production from well near Twelve Apostles
Sun 15 Aug 2021

Image

The Victorian government has given consent for a gas company to produce gas extracted from beneath a national park in the state’s south-west, near the celebrated tourist site the Twelve Apostles.

Documents tabled in Victorian parliament earlier this month show Lily D’Ambrosio, the state energy and climate change minister, gave consent for an existing exploration gas well underneath the Port Campbell national park to be developed into a production well.

The South Australian oil and gas company Beach Energy has had permission to explore for gas just outside the national park in south-west Victoria since May 2019. The onshore drill site is 450m outside the park, but the bore extends 3.5km out into the ocean, including a 1.3km stretch passing underneath the national park.

The company’s work at the site became public in June this year when the federal Department of Industry, Science, Energy and Resources released maps showing areas that had previously been opened to exploration and extraction. The maps revealed the drill site was roughly 5km from the Twelve Apostles and the Great Ocean Road.

Beach Energy, an ASX-listed company, applied in February to convert its exploration well into a production well, meaning it could begin extracting commercial quantities from the reservoir.
https://www.theguardian.com/australia-n ... Id3sHrhZxk
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United Nations Children's Fund (UNICEF) Finds That Nearly Half the World's Children are at 'Extremely High Risk' for Facing Effects of Climate Crisis
by Julia Conley
August 20, 2021

https://www.bing.com/search?q=unicef+is ... =QBLH&sp=2

Introduction:
(Common Dreams) On Friday, the third anniversary of climate campaigner Greta Thunberg's lone protest outside the Swedish Parliament, a global report revealed the scale of risks posed by the climate emergency for the world's children.

The United Nations' agency for children's rights, UNICEF, introduced the first-ever Children's Climate Risk Index, which shows that nearly half of the world's children are at "extremely high risk" for being faced with dangerous effects of the planetary crisis.

"The climate crisis is a child rights crisis," said UNICEF.

About one billion children live in dozens of developing countries that are facing at least three to four climate impacts, including drought, food shortages, extreme heat, and disease, the report, launched in collaboration with Fridays for Future, found.

"For the first time, we have a complete picture of where and how children are vulnerable to climate change, and that picture is almost unimaginably dire," said Henrietta Fore, executive director of UNICEF, in a statement.
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caltrek
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Antarctica Just Narrowly Avoided a Massive Iceberg Collision
by David Nield
August 25, 2021

https://www.sciencealert.com/antarctica ... -collision

Introduction:
(Science Alert) With rising temperatures and significant climate shifts predicted for Antarctica in the years to come, the icy continent could use a break. Well, now it's had one, as it just had a near miss with a giant iceberg double the size of Chicago.

The iceberg in question is A-74. Having originally been attached to Antarctica, it broke out into open waters back in February, as a result of a major crack that ripped through the Brunt ice shelf over the space of just a few months.

Then, in the past six months, A-74 loitered close to its original position, largely due to the prevailing ocean currents in the area; but in early August, strong easterly winds were responsible for the iceberg moving southwards and spinning around, changing its course.

Along the way, it clipped the edge of the Brunt ice shelf where it was born, in what the European Space Agency (ESA) has described as a "minor impact".
Conclusion:
As the climate crisis continues to unfold around the globe, scientists need all the information they can get on how Antarctic ecosystems may fracture in the coming years. For now, the icebergs will keep coming.
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