Questions tagged [climate-change]

Questions about changes of the climate system, including questions about global warming.

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0answers
139 views

Equatorial Bulge and its implications on the climate

How much of the variance in the climate is due to the equatorial bulge and how much sun radiation do we lose due to the equatorial bulge? I am interested in the variance both through time and ...
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73 views

Climate Change - finding solutions [closed]

My questions are: is there a significant, joint, worldwide, inter-disciplinary, scientific effort to study (brainstorm) possible solutions to climate-change? If it does exist, in whatever form, does ...
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2answers
82 views

How much pollution would it take to stop global warming?

The global cooling hypothesis of the 1970s included the theory that aerosols lead to global dimming. That is, that pollutants reduces the amount that the Sun warms the Earth, causing the Earth's ...
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1answer
84 views

Where oil is used for [closed]

I am trying to study climate change and lately, I am realizing that oil companies were/are drilling for oils at Alaska, Arctic, Antarctica. Where oil (which oil company drills) is used maximum for? I ...
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158 views

About climate sensitivity of carbon dioxide: today compared with PETM

Due to IPCC the climate sensitivity of CO₂ very likely is 3.0 ± 1.5 ℃ for each doubling of the concentration of atmospheric CO₂. Counting on earlier global warming using the Arrhenius formula [ΔT=λ·...
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3answers
4k views

High albedo vs low albedo

Albedo is a measure of the amount of light reflected back by an object that is incident on it. So, high albedo means that a greater portion of light falling on something is reflected back. This also ...
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4answers
210 views

In a zero carbon future but with increasing energy requirements would Earths oceans continue heating?

We’ve completely obliterated our reliance on carbon based fuels. All our energy comes from renewal resources or even fusion. Our energy requirements continue to rise. Taking this to a deliberately ...
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2answers
4k views

Why was there a negative temperature anomaly between 1950 to 1980?

If I understand the information from this link correctly, Instrumental temperature record between 1950 to 1980 there were negative temperature anomalies in the years of those decades. decade ...
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2answers
208 views

Trends in atmospheric CO2

I plotted the atmospheric CO2-concentrations to see trends and wondered especially about the phase around 1600 in the plot which I find very interesting. Etienne Godin already told me some facts in ...
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0answers
104 views

Climate Change in the North

Why has it been so warm in Moscow, Russia the past few winters where the temperatures even overnight have been above freezing when normally it gets brutally cold?
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1answer
261 views

Are 60C heat waves predicted by 5C of global heating? (The worst consequence of global heating)

It seems to be the case that 1C of global heating caused the whole global temperature bell curve to shift two standard deviations to the right. (see below) To anyone knowing much about statistics and ...
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1answer
119 views

Reference units for CO2 concentration in the atmosphere and meaning of a slight downward tendancy during the 1600

I discovered here a set of yearly historical atmospherical CO2-concentrations from year 0 - 2014. Since they haven't mentioned which measure they used, I'm not sure whether it is right to talk about ...
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0answers
52 views

What's the origin of particulate matter (pm10, pm2 5) [closed]

I would like to ask about origin and inventor of particulate matter pm10, pm2.5. Who published and defined this formulas and when. Thanks in advance!
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68 views

Reflected radiation from increased CO2 : how was this calculated

The IPCC claims that the reflected radiation from incresaed CO2 heats the Earth at a rate of 5 W m-2. How did the contributing researchers came out with that result?
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1answer
174 views

Could the recent temperature anomalies in the arctic be used as a proxy measure of global heating?

Because the arctic temperature record would probably not require any of the climategate urban heat island adjustments it would seem to definitively sustain that global temperatures are significantly ...
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1answer
190 views

By what objectively correct process could we determine the truth about the actual severity of anthropogenic climate change?

I began to do the best that I could to boil the key facts down to the most basic essence of proving significant anthropogenic climate change: (1) It is a verified fact that since 1959 $\small\...
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2answers
152 views

download NASA Earth Exchange Global Daily Downscaled Projections for single lat lon

I have a lat lon - 23.14, 83.14 and I need to download the NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP) data from the below website only for this lat lon. https://dataserver....
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0answers
85 views

Is there any climate science explanation for this graph besides severe anthropogenic heating? [duplicate]

Since 1950 surface temperatures have risen significantly even though the total radiant energy from the Sun has been decreasing over this same period. To the best of my current understanding as long as ...
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94 views

Is this description of the effects of global warming supported by scientific research?

I found the following web-page which contains a dramatic degree-by-degree account of how climate change could play out in the future: http://globalwarming.berrens.nl/globalwarming.htm. It is more ...
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2answers
193 views

How reliable would measuring global heating from satellite be?

Some anthropogenic global heating (AGH) skeptics deny that any global heating is occurring. I figured out a way that could be used to refute them. A weighted average of all of the thermal points on ...
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2answers
275 views

What caused peak CO2 to rise, starting about 400,000 years ago?

This question assumes the accuracy of this (and similar) charts. Source of image. From the image, CO2 peaked at about 260, perhaps 265 ppm during the interglacial periods between 800,000 years ago ...
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1answer
79 views

In the 800 kyr $\ce{CO_2}$ record, how detectable would a short-term peak be?

It is stated in https://cdiac.ess-dive.lbl.gov/trends/co2/ice_core_co2.html that the temporal uncertainty for the glacier $\small\mathsf{CO_2}$ records is less than $\small\mathsf{5~\%}$ at any given ...
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1answer
402 views

How to better understand the RIP-nomenclature used in the CMIP5 project?

I am a statistician working on a climatological downscaling project in the Caribbean Sea. I am just starting to learn about the CMIP5 GCM data project. I plan to download CMIP5 data from 6 climate ...
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51 views

The climate effect of the Russian industrial collapse in the early 90's

In 1982 ExxonMobil made this diagram with a slightly excess of the concentration of atmospheric carbon dioxide and global warming. Can this error be explained by the Russian industrial collapse in the ...
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7answers
12k views

CO₂ level is high enough that it reduces cognitive ability. Isn't that a reason to worry?

I think the level of carbon dioxide in the air is high enough to reduce the intelligence of humans. This has nothing to do with climate change. Except that both mean we should reduce CO₂. I never ...
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0answers
36 views

What are the ranges of CO2 levels for inner cities and should CO2 be added to the air quality index?

I have a indoor $\small\mathsf{CO_2}$ monitor and putting it on my balcony it indicates values of 1400-2200 ppm for different days ? Is this even possible and what are the ranges of $\small\mathsf{...
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3answers
249 views

Does extrapolating current CO2 trends indicate 7632 PPM CO2 and 14C temperature anomaly within 200 years?

Does extrapolating current CO2 trends indicate 7632 PPM CO2 and 14C temperature anomaly within 200 years? It looks like simply extrapolating the current trends of increasing atmospheric CO2 would ...
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2answers
216 views

What could possibly be a rational basis for rejecting climate science? [closed]

Here is my logic (thus not opinion) if the anthropogenic global heating AGH deniers actually do not have any rational climate science basis for rejecting anthropogenic global heating then everyone ...
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1answer
69 views

How do we apply CO2 sensitivity (3C ± 1.5C for every doubling) to current CO2 levels

https://en.wikipedia.org/wiki/Climate_sensitivity#Estimating_climate_sensitivity This indicates that current $\small\mathsf{CO_2}$ levels have a temperature equilibrium of 2.2 $\small\mathsf{^oC}$ ...
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2answers
305 views

How can we accurately quantify the degree of scientific certainty that global heating is caused by humans?

How can we accurately quantify the degree of scientific certainty that global heating is caused by humans? It seem virtually certain that the huge 100 ppm spike in $\small\mathsf{CO_2}$ since 1950 ...
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0answers
42 views

How large were CFC emissions per year before the Montreal Protocol came into practice?

This article The China CFC dilemma states CFC emissions now might be 67,000 tonnes per year. I tried to look for how large were the emissions of it before the Montreal Protocol but I couldnt find it. ...
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2answers
117 views

How do we allocate partial CO2 doublings for Empirical Climate Sensitivity?

How do we allocate partial CO2 doublings for Empirical Climate Sensitivity? I applied partial doublings on a linear basis, is this correct? Climate Threat to the Planet:Implications for Energy Policy ...
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62 views

Vehicles Emissions [closed]

What is the suitable handheld device to measure the $\small\mathsf{CO_2}$, $\small\mathsf{CH_4}$ and $\small\mathsf{N_2O}$ emissions from the tailpipe of cars? and what the steps to convert the ...
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4answers
295 views

Could burning all fossil fuels (available on earth) render the atmosphere unbreathable?

What if humanity burns all fossil fuels it can find? Putting the negative effects of climate change aside, would the enormous amount of $\small\mathsf{CO_2}$ in the atmosphere eventually make it ...
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0answers
25 views

Can any natural process explain this rate of CO2 increase? [duplicate]

Can any natural process explain this rate of CO2 increase? [![1000 years of CO2][1]][1] [1]: https://i.stack.imgur.com/MO0mK.png The prior similar question used different data as its basis. This ...
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0answers
112 views

How does extra carbon dioxide in the atmosphere contribute to radiative forcing?

The CO2 absorption spectrum taken at 200 mmHg partial pressure, beam path length = 10 cm, resolution = 4 cm^-1 shows that light can only travel a couple hundred meters before being completely absorbed ...
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2answers
222 views

Does clearing snow contribute to climate change?

I've been reflecting on climate change and pondering how much of it is truly man-made. Anyone who's shoveled a walkway know that the snow melts faster beside the walkway than it does in the middle of ...
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5answers
194 views

Why is smoke considered a factor of global cooling when analyzing nuclear winter scenarios, but arent when analyzing global warming scenarios?

In many articles on the internet (I'll cite a couple for the sake of the question), smoke from the fires (composed mainly of $\small\mathsf{CO_2}$ and CO) following a nuclear war would cool the ...
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70 views

Does anyone have any data indicating a faster rate of CO2 increase?

Pieter Tans 2019-10-07(lead scientist of NOAA's Global Greenhouse Gas Reference Network): Based on the best historical data that we have available CO2 is probably increasing at a rate at of least ...
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1answer
154 views

Is there any natural phenomenon that can account for the 100 fold faster CO2 rate increase?

"Based on the best historical data that we have available CO2 is probably increasing at a rate at of least 100 times faster than at any time in the last 800,000 years." Pieter Tans lead scientist of ...
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2answers
244 views

With so many positive feedbacks accelerating global warming, how did the earth ever re-enter ice ages after it came out of one?

We hear a lot about positive feedbacks when it comes to global warming. For example: ice reflects solar radiation, so as the ice melts more solar radiation is absorbed which accelerates warming; ...
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2answers
261 views

How is climate change today different than the climate change that ended the ice age(s)?

Someone I know posted a question about climate change that I do not know how to answer. While I do believe (for lack of better word) in climate change, I do not know how to answer this persons ...
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1answer
54 views

Will carbon tax be applicable to other emissions? [closed]

Will Carbon tax be applied to other emissions or only carbon emissions like Carbon dioxide & Carbon monoxide ? Can non-warming pollutant emissions like Chaff(Chemtrail) also be taxed under the ...
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0answers
26 views

Are there models of mortality due to sea level increases (via climate change)?

In a self-answer of mine on Skeptics, one of the comments rightly pointed out that the model in question (from Impact Lab) does not explicitly account for mortality due to sea level changes. Are there ...
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2answers
251 views

On what basics, can scientists predict the effects of climate change?

I don't know much about the topic of climate change to be honest. However, I've been attending a number of talks recently on the topic. As someone who studies mathematical models and uncertainty ...
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2answers
495 views

What is the most cost-effective solution to climate change based on scientific evidence? [closed]

Please don't answer without citing scientific research which has a general consensus or article from a reputable source based on verifiable research citations. I recently read this article about a ...
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2answers
174 views

Why rely on climate models as opposed to paleoclimate data?

Something I hear often from climate scientists, and indeed even politicians, is that we "don't understand climate change very well". And, I'm sure this is true since the climate is a complex adaptive ...
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5answers
608 views

If planting trees is ineffective to tackle climate change, why do people plant them?

I've read answers that outline how if we afforested large (continental-scale) masses of land, it would do little in the way of tackling climate change. While it would sequester $\small\mathsf{CO_2}$ ...
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1answer
607 views

Could someone please validate the Holmes equation [closed]

Dr. Robert Holmes has converted the ideal gas law to T = P M / (ρ R) in this paper: (Molar Mass Version of the Ideal Gas Law Points to a Very Low Climate Sensitivity) with T = temperature P = near-...
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2answers
106 views

Is it normal for a cyclonic storm to form at the latitude of New York, USA?

I am following climate activist Greta Thunberg's sail to N America from Europe on https://tracker.borisherrmannracing.com/. The model shows a cyclonic storm forming south of Nova Scotia, east of New ...

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