[✔️] Feb 18 2024 Global Warming News | Cool trees, One video explains, Angry farmers, Kevin Anderson, Jennifer Francis, 2004 Bush denounced
Richard Pauli
Richard at CredoandScreed.com
Sun Feb 18 08:51:11 EST 2024
/*February*//*18, 2024*/
/[ easy to notice ]/
*Very cool: trees stalling effects of global heating in eastern US,
study finds*
Vast reforestation a major reason for ‘warming hole’ across parts of US
where temperatures have flatlined or cooled
Oliver Milman
@olliemilman
Sat 17 Feb 2024
Trees provide innumerable benefits to the world, from food to shelter to
oxygen, but researchers have now found their dramatic rebound in the
eastern US has delivered a further, stunning feat – the curtailing of
the soaring temperatures caused by the climate crisis
- -
By poring over data from satellites and weather stations located across
the eastern US from 1900 to 2000, Barnes and her colleagues found
reforested areas have provided this cooling impact on a grand scale,
with most of this effect occurring within 400 meters of the trees.
In all, the replenished forests today cool the eastern US by 1C to 2C
(1.8F to 3.6F) each year. The cooling effect is strongest on the hottest
days in summer, when trees lower temperatures by 2C to 5C (3.6F to 9F),
the researchers found.
The researchers cautioned that bringing back trees hasn’t been the sole
cause of the stalled warming, with factors such as airborne pollutants,
which block incoming sunlight, and agricultural irrigation also
potential causes. But Barnes said that the findings should further
bolster efforts to provide thoughtful reforestation, particularly near
urban communities that suffer particularly scorching temperatures due to
a lack of shady trees.
“Trees have a really beneficial impact upon surface temperatures through
transpiration, which is similar to human sweating, and they have really
cooled things off a lot,” said Barnes.
“Moving forward, we need to think about tree planting not just as a way
to absorb carbon dioxide but also the cooling effects in adapting for
climate change, to help cities be resilient against these very hot
temperatures.”
Patrick Gonzalez, a University of California, Berkeley, climate change
scientist and forest ecologist who wasn’t involved in the new study,
said the work provides “strong support” to the theory of cooling trees.
“Cutting carbon pollution from cars, power plants and other human
sources that burn coal, oil and methane remains the essential solution
to halt climate change,” he said. “Natural regeneration of trees and
reforestation, where ecologically appropriate, can contribute
substantially.”
Barnes, too, stressed that reforestation was no substitute for the need
to drastically cut planet-heating emissions, which hit a new global high
last year.
“Nature-based climate solutions like tree planting won’t get us out of
this climate change problem,” she said. “If anyone thinks we can just
plant a few trees and be OK, they are wrong – we need a massive
reduction in fossil fuel emissions to hit our targets. Reforestation is
something that needs to happen in addition to, not instead of, cutting
emissions.”
https://www.theguardian.com/environment/2024/feb/17/us-east-trees-warming-hole-study-climate-crisis
/[ One video lecture skillfully explains global warming - without math,
without heavy physics. 16 min video. ]/
*Why do greenhouse gases cause warming?*
Arvin Ash
Apr 29, 2022 Complex Science Explained Simply
- -
REFERENCES:
Interactive chart: https://bloom.bg/3FgyeZc
Fact check: https://bit.ly/3vJT548
Temp not rising: https://bit.ly/3OUQeNk
Why earth is warming: https://bit.ly/3MQi5fJ
10 climate change myths: https://bit.ly/3kE3KqH
Scientific consensus: https://bit.ly/3sfasaZ
NASA land & ocean temp: https://go.nasa.gov/3w5qbdF
Global energy mix data: https://bit.ly/3KMbHF0
Previous warming cycles: https://bit.ly/3vIn10l
Hottest earth has been: https://bit.ly/3woLOGf
Solar cycles: https://go.nasa.gov/3w7XHzR
Temp vs solar activity: https://go.nasa.gov/3OZYyva
Video on how climate works: https://bit.ly/37jvduS
Temp record multiple orgs: https://go.nasa.gov/3FjkooU
Ancient climate PETM: https://bit.ly/3M1m49v
CO2 effects: https://bit.ly/3vK8od4
Deforestation stats: https://bit.ly/37freiO
Is current warming natural: https://go.nasa.gov/3MOIBpR
How is today's warming different from past: https://go.nasa.gov/3Fi4POj
USGS.gov faqs: https://on.doi.gov/3Fw43h7
NASA resources: https://go.nasa.gov/3kM0EAQ
Video on how today's warming is like past: https://bit.ly/3LKL0Ss
Climate change facts: https://on.nrdc.org/3MV3job
Top climate skeptic arguments: https://bit.ly/3LNL6IK
Overview greenhouse gases: https://bit.ly/37fjGfU
PETM paper: https://bit.ly/3yh2jXg
NASA evidence: https://go.nasa.gov/3vJRn2BCHAPTERS:
0:00 Why 1C makes difference
2:15 What is Climate?
3:32 Why do higher temps cause extreme weather?
6:32 Has earth ever been this hot before?
8:48 Why do greenhouse gases cause warming?
10:37 What's evidence that humans cause global warming?
14:26 One way to get more informed
SUMMARY:
What's the real cause of climate change? Is global warming real? Are
humans causing climate change? What is climate change? We do a deep dive
into the data to find answers. The world today is 0.85 degrees (C)
hotter than in 1980, projected to increase 1.5C in 40 years.
A one degree increase means earth retains more energy than all the
energy contained in the world’s known oil reserves. This retained energy
has to go somewhere. And this is what causes havoc. More water
evaporates from the oceans, causing more rainfall, increased energy in
hurricanes. Sea levels rise because warmer water expands in volume, and
more polar ice melts.
What is climate? The difference between climate vs weather is in the
duration of changes. Climate is measured over decades, more than 30
years, weather in days, years.
A higher temperature results in more extreme weather. It imparts more
energy to affect more damage.
Almost all energy on earth comes from the sun. The air is drier over
land & heats up faster than over sea, because the specific heat capacity
of water is higher than that of land, so it remains cooler than land.
As the air from the land goes up to form clouds, colder air from the sea
comes to fill the gap. This causes winds. If the sun heats up earth
more, it causes a bigger pressure difference between sea and land,
causing more severe winds, and more extreme weather.
Global warming accelerates evaporation of oceans, causing more rain,
snow hail & droughts. It's not just about more heat.
Are higher temps be due to a hotter sun? No because its irradiance
varies by only about 0.15% over 11 years, not enough to explain the
increase in global temps.
Has the earth ever been this hot? Yes, it’s been hotter. 56 million
years ago, earth warmed by 5-8C. This was the Paleo-Eocene thermal
maximum (or PETM). Much of the land mass went underwater or was
uninhabitable by animals.
Scientists believe PETM is the most analogous event to what we are
experiencing now. PETM was also initiated by increases in carbon dioxide
in the atmosphere, but it was from volcanoes.
Why does CO2 cause warming? Greenhouse gases have at least three atoms
in their molecules. They are loosely held so can absorb more vibrational
energy. They're efficient absorbers of long wave range light (heat)
which bounces up from the earth’s surface. They re-emit this radiation
back to Earth, resulting in warming. Non-greenhouse gases don’t absorb
heat, allowing it to pass into space.
On average net 0.24 gigatons of carbon was emitted into the atmosphere
during a 50,000 year period during PETM. But humans are emitting fifty
times more today. The current 1 degree warming occurred in less than 100
years, not 1000s of years as in PETM.
Is human carbon emission a cause of global warming? Study of isotopes
of carbon in the atmosphere shows higher C12 to C13 ratios. Fossil fuels
contain higher C12 so this is evidence.
Volcanic eruptions increase C13, not C12. Volcanoes emit 1% as much CO2
as we do. The sun is not cause because it would heat both the upper AND
lower atmosphere. But we see only warming of the lower atmosphere.
#climatechange
When simulations are run using just natural causes of climate change,
they predict no change in temperature. When unnatural emissions are
added, it matches the data perfectly.
https://www.youtube.com/watch?v=-skE4jCuf-w
/[ Farmers are getting angry - EU and India video ]/
*‘We have reached the end of our rope.’ Why farmers around the world are
protesting*
PBS NewsHour
Feb 17, 2024
From quiet fields to busy city streets, farmers around the world have
launched protests in recent weeks, demanding relief from what they say
is a crisis driven by climate change policies, red tape and crop prices.
Ali Rogin reports.
https://www.youtube.com/watch?v=IsDZENn2Waw
/
/
/[ Kevin Anderson has some of the most respected commentary -10 min video ]/
*Prof. Kevin Anderson, Climate: Where We Are Headed*
Peter Carter
Feb 14, 2024
Leading climate change expert, Professor Kevin Anderson gives a frank
update on the past and current policies heading to global climate
catastrophe, calling for a rapid change of course.
https://www.youtube.com/watch?v=ipdwvvZ8Wu4
/[ brief comments by a climate scientist - video ]/
*Jennifer Francis PhD: Losing Earth's Mirror*
greenmanbucket
Feb 15, 2024
2023 was marked by unexpectedly large new global temperature records,
and, even more ominously, a drop in the area of Antarctic Sea Ice, that
shocked even seasoned experts in the field.
I asked Dr Francis for a reaction.
https://www.youtube.com/watch?v=4-cx8uAE4HA
- -
*Jennifer Francis PhD on 2023 Temperature Records*
greenmanbucket
https://www.youtube.com/watch?v=6YNCIIACYMQ
/[The news archive - ]/
/*February 18, 2004 */
February 18, 2004: Sixty scientists, including several Nobel laureates,
issue a joint statement denouncing the George W. Bush administration for
distorting, downplaying and disregarding scientific findings on such
issues as human-caused climate change.
http://www.ucsusa.org/scientific_integrity/abuses_of_science/scientists-sign-on-statement.html
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