Why the Kids Care

[longview]

Yes... just like I just said. Now show me where those papers call it aerosol brightening and describe it as a positive forcing.

They mention the subject in a later paper.
Wild 2011
"Observed air temperatures over global terrestrial surfaces showed a negligible increase between the 1950s and 1980s, in line with the prevailing SSR dimming, which may have largely offset the in-creasing greenhouse gas forcing in this period (see schematic illustration in Fig. 1, left). Since the 1980s, with the transition from dimming to brightening, the increasing thermal forcing may have no longer been masked (Fig. 1, right), and rapid warming was observed."
Remember that the Energy imbalance is energy imbalance, whether forced or caused from an increase in input.
So we do not need positive forcing, only positive energy imbalance!
An interesting side note, is the Southern Hemisphere in the article, showing very little aerosol dimming or brightening.
There the warming is mostly just greenhouse gasses, and the warming is slight.
The effects of added greenhouse gasses, might be best evaluated in the Southern Hemisphere, absent the large variable of aerosols!

 

[Bergslagstroll]

They mention the subject in a later paper.
Wild 2011
"Observed air temperatures over global terrestrial surfaces showed a negligible increase between the 1950s and 1980s, in line with the prevailing SSR dimming, which may have largely offset the in-creasing greenhouse gas forcing in this period (see schematic illustration in Fig. 1, left). Since the 1980s, with the transition from dimming to brightening, the increasing thermal forcing may have no longer been masked (Fig. 1, right), and rapid warming was observed."
Remember that the Energy imbalance is energy imbalance, whether forced or caused from an increase in input.
So we do not need positive forcing, only positive energy imbalance!
An interesting side note, is the Southern Hemisphere in the article, showing very little aerosol dimming or brightening.
There the warming is mostly just greenhouse gasses, and the warming is slight.
The effects of added greenhouse gasses, might be best evaluated in the Southern Hemisphere, absent the large variable of aerosols!

There was no decrease in temperature because of aerosol instead it just temporarily slow downed the massive increase in temperature because of global warming,

2019 years | Climate Lab Book

www.climate-lab-book.ac.uk

 

[Jack Hays]

There was no decrease in temperature because of aerosol instead it just temporarily slow downed the massive increase in temperature because of global warming,

View attachment 67303369

2019 years | Climate Lab Book

www.climate-lab-book.ac.uk

Your graph is not credible.

 

[Bergslagstroll]

Your graph is not credible.

The evidence for the urgent need for action is so overwhelming that not only are not all the world's leading scientific societies acknowledging the urgent need for action but also federal agencies under the scrutiny and control of Republican climate deniers.

Thirty-one top scientific societies speak with one voice on global climate change – The Ecological Society of America

www.esa.org

Evidence - NASA Science

Takeaways The rate of change since the mid-20th century is unprecedented over millennia. Earth’s climate has changed throughout history. Just in the last 800,000 years, there have been eight cycles of ice ages and warmer periods, with the end of the last ice age about 11,700 years ago marking...

climate.nasa.gov

 

[Jack Hays]

The evidence for the urgent need for action is so overwhelming that not only are not all the world's leading scientific societies acknowledging the urgent need for action but also federal agencies under the scrutiny and control of Republican climate deniers.

Thirty-one top scientific societies speak with one voice on global climate change – The Ecological Society of America

www.esa.org

Evidence - NASA Science

Takeaways The rate of change since the mid-20th century is unprecedented over millennia. Earth’s climate has changed throughout history. Just in the last 800,000 years, there have been eight cycles of ice ages and warmer periods, with the end of the last ice age about 11,700 years ago marking...

climate.nasa.gov

Non-responsive.

 

[Bergslagstroll]

Non-responsive.

My second link to NASA, a federal agency that have been under the control of Trump, show how overwhelming the evidence are for that the current warming trend are caused by human activity.

"Earth's climate has changed throughout history. Just in the last 650,000 years there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 11,700 years ago marking the beginning of the modern climate era — and of human civilization. Most of these climate changes are attributed to very small variations in Earth’s orbit that change the amount of solar energy our planet receives.

Scientific evidence for warming of the climate system is unequivocal.
- Intergovernmental Panel on Climate Change
The current warming trend is of particular significance because most of it is extremely likely (greater than 95% probability) to be the result of human activity since the mid-20th century and proceeding at a rate that is unprecedented over decades to millennia.1

Earth-orbiting satellites and other technological advances have enabled scientists to see the big picture, collecting many different types of information about our planet and its climate on a global scale. This body of data, collected over many years, reveals the signals of a changing climate.

The heat-trapping nature of carbon dioxide and other gases was demonstrated in the mid-19th century.2 Their ability to affect the transfer of infrared energy through the atmosphere is the scientific basis of many instruments flown by NASA. There is no question that increased levels of greenhouse gases must cause Earth to warm in response.

Ice cores drawn from Greenland, Antarctica, and tropical mountain glaciers show that Earth’s climate responds to changes in greenhouse gas levels. Ancient evidence can also be found in tree rings, ocean sediments, coral reefs, and layers of sedimentary rocks. This ancient, or paleoclimate, evidence reveals that current warming is occurring roughly ten times faster than the average rate of ice-age-recovery warming. Carbon dioxide from human activity is increasing more than 250 times faster than it did from natural sources after the last Ice Age.3"

Evidence - NASA Science

Takeaways The rate of change since the mid-20th century is unprecedented over millennia. Earth’s climate has changed throughout history. Just in the last 800,000 years, there have been eight cycles of ice ages and warmer periods, with the end of the last ice age about 11,700 years ago marking...

climate.nasa.gov

 

[Bergslagstroll]

There are strong support for a transition towards renewable energy that can create opportunities for all of America.

Poll: Two-thirds of voters support Biden climate plan

New polling indicates Democratic presidential nominee Joe Biden’s climate plan is doing well with voters even as they are split on their support for fracking.Results from a Tuesday survey cond…

thehill-com.cdn.ampproject.org

Renewable Energy Surges Even In Fossil Fuel Friendly Red States

The nation’s two largest coal-producing states, Wyoming and West Virginia, have entered the top ten in renewable energy and energy storage, respectively, according to a new report.

www.forbes.com

Aggressive push to 100% renewable energy could save Americans billions – study

As much as $321bn could be saved with complete switch to clean energy sources, Rewiring America analysis finds

www.theguardian.com

 

[Jack Hays]

My second link to NASA, a federal agency that have been under the control of Trump, show how overwhelming the evidence are for that the current warming trend are caused by human activity.

"Earth's climate has changed throughout history. Just in the last 650,000 years there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 11,700 years ago marking the beginning of the modern climate era — and of human civilization. Most of these climate changes are attributed to very small variations in Earth’s orbit that change the amount of solar energy our planet receives.

Scientific evidence for warming of the climate system is unequivocal.
- Intergovernmental Panel on Climate Change
The current warming trend is of particular significance because most of it is extremely likely (greater than 95% probability) to be the result of human activity since the mid-20th century and proceeding at a rate that is unprecedented over decades to millennia.1

Earth-orbiting satellites and other technological advances have enabled scientists to see the big picture, collecting many different types of information about our planet and its climate on a global scale. This body of data, collected over many years, reveals the signals of a changing climate.

The heat-trapping nature of carbon dioxide and other gases was demonstrated in the mid-19th century.2 Their ability to affect the transfer of infrared energy through the atmosphere is the scientific basis of many instruments flown by NASA. There is no question that increased levels of greenhouse gases must cause Earth to warm in response.

Ice cores drawn from Greenland, Antarctica, and tropical mountain glaciers show that Earth’s climate responds to changes in greenhouse gas levels. Ancient evidence can also be found in tree rings, ocean sediments, coral reefs, and layers of sedimentary rocks. This ancient, or paleoclimate, evidence reveals that current warming is occurring roughly ten times faster than the average rate of ice-age-recovery warming. Carbon dioxide from human activity is increasing more than 250 times faster than it did from natural sources after the last Ice Age.3"

Evidence - NASA Science

Takeaways The rate of change since the mid-20th century is unprecedented over millennia. Earth’s climate has changed throughout history. Just in the last 800,000 years, there have been eight cycles of ice ages and warmer periods, with the end of the last ice age about 11,700 years ago marking...

climate.nasa.gov

Also non-responsive.

 

[Lord of Planar]

Why the Kids Care

Because K-12 has indoctrinated them.

 

[longview]

There was no decrease in temperature because of aerosol instead it just temporarily slow downed the massive increase in temperature because of global warming,

View attachment 67303369

2019 years | Climate Lab Book

www.climate-lab-book.ac.uk

I am not sure why you think a 2000 year long graph is useful in evaluating the 70 year period being discussed,
but it is not necessary for temperatures to decrease under atmospheric dimming. and the dimming can even be in your graph as the flat area near the end.
Your argument does not address the idea that the actual greenhouse effect could be better evaluated without the aerosol effect in the Northern Hemisphere.
In Wild, Table 1, we can see that while both hemispheres warmed, the warming in the Northern Hemisphere was radically altered by the addition and subtraction
of aerosols. The Southern Hemisphere reflects the actual contribution of the added Greenhouse gasses, with a modest .15C per decade.

 

[Bergslagstroll]

I am not sure why you think a 2000 year long graph is useful in evaluating the 70 year period being discussed,
but it is not necessary for temperatures to decrease under atmospheric dimming. and the dimming can even be in your graph as the flat area near the end.
Your argument does not address the idea that the actual greenhouse effect could be better evaluated without the aerosol effect in the Northern Hemisphere.
In Wild, Table 1, we can see that while both hemispheres warmed, the warming in the Northern Hemisphere was radically altered by the addition and subtraction
of aerosols. The Southern Hemisphere reflects the actual contribution of the added Greenhouse gasses, with a modest .15C per decade.
View attachment 67303802

The graph clearly showed that you don't have had an significant cooling because of aerosol since the start of industrial revolution. Because the increase in aerosol only slowed down the warming from greenhouse gases. So therefor a decrease in aerosol can only speed up the warming from greenhouse gases.

 

[Bergslagstroll]

The transition towards renewable energy are happening all across the world.

When will renewable energy overtake coal and gas? | World Economic Forum

www.weforum.org

With massive projects like this one planned.

Green giants: the massive projects that could make Australia a clean energy superpower

The Asian Renewable Energy Hub would have an energy content equivalent to 40% of Australia’s overall electricity generation

www.theguardian.com

 

[Individual]

...If sea levels rise by six feet by 2100...​

Six feet by 2100 comes to almost 23 mm/yr every year for the next 80 years.
The current rate of sea level rise is somewhere between 2&3 mm/yr. The
average since the 19th century is about 1.7 mm/yr. In 1950 it was around
3 mm/yr and by 1975 it had dropped to around 1 mm/yr. So 23 mm/yr is
an outrageous exaggeration.

Could it be the result of a 2mm rise each of the next 79 years followed by a 1.67m rise the 8-th year?
What's next, single payer flood insurance?

 

[Bergslagstroll]

Could it be the result of a 2mm rise each of the next 79 years followed by a 1.67m rise the 8-th year?
What's next, single payer flood insurance?

The C02 and temperature have drastically have increase over the last decades there you also will have accelerin increase in sea level rise. There the effect of sea level rise are already being felt.

Beating Back the Tides

Sea level rise can feel abstract, like something looming far off in the future. But if you want to see it happening in real-time, look no further than high-tide floods.

sealevel.nasa.gov

 

[Individual]

The C02 and temperature have drastically have increase over the last decades there you also will have accelerin increase in sea level rise. There the effect of sea level rise are already being felt.

Beating Back the Tides

Sea level rise can feel abstract, like something looming far off in the future. But if you want to see it happening in real-time, look no further than high-tide floods.

sealevel.nasa.gov

An even much higher tide occurred in 2012.
How about a photo of the same spot on 4 April 2020.

 

[Lord of Planar]

The C02 and temperature have drastically have increase over the last decades there you also will have accelerin increase in sea level rise. There the effect of sea level rise are already being felt.

Beating Back the Tides

Sea level rise can feel abstract, like something looming far off in the future. But if you want to see it happening in real-time, look no further than high-tide floods.

sealevel.nasa.gov

The sea level will rise regardless of AGW.

 

[longview]

The graph clearly showed that you don't have had an significant cooling because of aerosol since the start of industrial revolution. Because the increase in aerosol only slowed down the warming from greenhouse gases. So therefor a decrease in aerosol can only speed up the warming from greenhouse gases.

You have not done much Physics, Have you?
The observed warming is a mixture of ALL of the inputs, sorting them out should be the objective.
If we want to know the effects of added greenhouse gasses, the best was is to look at the effect with minimal other changes,
this is what happened in the Southern Hemisphere.