Questions tagged [climate-change]

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

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49 views

What is the total mass of organic carbon on Earth?

What is the estimated total mass of organic carbon plus elemental carbon (defined here as all carbon in any chemical form, minus carbon dioxide, inorganic carbonates, and other fully oxidized carbon ...
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1answer
96 views

Does depletion of Planck radiation intensity in the upper atmosphere mean that “CO2 has no impact on climate change”?

In his recent book, Rex J. Fleming asserts that "CO2 has no impact on climate change", or, as he summarizes on his website: There are now over a dozen books available on Amazon.com that point out ...
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2answers
293 views

Could pumping ocean water into desert areas help reduce sea level rise?

I have been reading the discussion about pumping sea water into the desert for purposes of irrigation and changing the dry climate of that area, but what about to just purely offset the rising sea ...
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4answers
177 views

Isn't a warmer climate better for energy generation?

Nowadays, everyone talks about it: climate change, and more importantly, how to stop it from happening. Although there's a lot of debate around the topic, the conscensus is that by inventing a way of ...
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2answers
281 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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2answers
11k views

Why do climate experts from the UN/IPCC rarely mention Grand Solar Minimum?

I've read many papers about Grand Solar Minimums and Glassberg Minimums, known to science for a very long time, and studied and monitored with many public funds. History shows solar activity is the ...
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4answers
200 views

What exactly is a published climatologist?

I am trying to get Gallup to do a scientific poll of published climatologists to greatly strengthen the credibility of the 97% consensus. This must start with very excellent formal definitions of ...
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4answers
395 views

Can anyone explain the reason why CO$_2$ increases global temperatures (not the simplistic greenhouse analogy provided for public consumption)?

The greenhouse effect analogy of global warming is that atmospheric carbon dioxide CO$_2$ absorbs some of the infrared radiation emitted by the Earth, and redirects a portion of that radiation back ...
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2answers
173 views

USA and UK government report on plane emissions: 200% difference… which is right?

The report's respective ratio of 1 passenger car vs one long haul plane are 40% versus 110%: Image 1 (DEFRA): car = 171 plane = 195 (110%) Image 2 (EPA): car = 4096 plane = 1760 (40%) If the ...
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2answers
169 views

Why is it good scientific practice to 'build' a 'control Earth' from models, and where else do we 'build' controls? [closed]

Usually, when data is collected in an experiment, scientists have a control. Experiments are seen as flawed without controls. I am just curious as to where else scientists have 'built' controls using ...
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2answers
281 views

Why is a future increase in solar luminosity by 10% supposed to have disastrous consequences for life on earth when the last 30% did not?

One remarkable thing about the climate history of earth is that despite the fact that solar luminosity was fully 30% lower in the beginning, temperatures were actually quite close to today. Since then ...
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2answers
135 views

Atmospheric Carbon: Whence the discrepancy?

The news tells us that global carbon emissions are now more or less constant, as in the 2014-16 data points of Global carbon emissions flatline continues. On the other hand, the Keeling graph of mean ...
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1answer
136 views

Are we at the beginning of a Heinrich Event?

Does our current weather trend properly reflect a Heinrich Event? It seems like the drastic weather swings are what I would expect but I realize that is not definitive. I don't see the term bandied ...
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1answer
81 views

Are Earth´s interannual global climate variations affected by other bodies in the solar system and their evolution?

Are fluctuations like El Niño and La Niña entirely independent of outside influences such as the gravitational effects from other planets, variation in solar output, etc?
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1answer
186 views

Time relativity relating to Carbon dating? [closed]

Theoretically if in early years the earth was moving at an astronomically different pace (whether in orbit or rotation, whatever sounds better) wouldn't that alter the science of carbon dating? As I ...
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3answers
79 views

Where can I download recent precipitation data for Cape Town

I need data on monthly precipitation for Cape Town between 1970 and 2018. I found this page: http://cip.csag.uct.ac.za/webclient2/datasets/ But it only seems to offer information until 2000. It's the ...
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1answer
105 views

Building massive seawall around endangered Islands like Mauritius to save from climate change [closed]

Would it be possible to build a massive seawall, say maybe even made from metal that could rise as the sea level rises to prevent being erased? I am not considering costs here, nor beauty, only if ...
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2answers
711 views

Polar Ice caps are melting? Questions on enviromental impact

The polar ice caps are melting at a significant rate partly due to the albedo effect, releasing greenhouse gas-methane into earth’s atmosphere. At the same time we are logging our forests for ...
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3answers
178 views

Need different temperature change data sets explained

Nasa's temperature record is showing temperature increase. When I confronted a climate change skeptic with it, he replied that the data has been tempered with, and that there are different data sets ...
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3answers
183 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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1answer
402 views

Equations for Global Temperature Models

I'm a volunteer for 350, a grassroots organization that is fighting against climate change through education and advocacy. We're all volunteers, not climate scientists, and I'm looking for some ...
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1answer
113 views

Origin of Serious Wildfires

At a very rough estimate, what proportion of wildfires are caused by natural events like lightning? I am absolutely sure that in Europe, where there are often wildfires, the sun is never hot enough to ...
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3answers
649 views

Do solar panels reduce the amount of suns rays reflected back into the atmosphere ? Therefore reducing global warming

The way I understand the basics of global warming is we are putting to much Co2 into the atmosphere which increases the size / density of atmosphere shell, sun rays enter the atmosphere then there is ...
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1answer
82 views

What negative side effects would occur if silicate mining were used to artificially lower atmospheric CO2 concentrations?

As one half of the naturally occurring Carbonate–silicate cycle, carbon dioxide is naturally removed from the atmosphere by the chemical reaction: CaSiO$_3$ + 2CO$_2$ + H$_2$O → Ca2+(aq) + 2HCO$_3$-(...
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1answer
69 views

What are the top 21 meetings regarding climate change?

I was at an academic conference recently and one of the presenters mentioned examining certain variables before and after the top 21 climate change meetings. Unfortunately I was not able to get a ...
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2answers
120 views

Could we control the weather with a disk in space?

There is recorded evidence from solar eclipses that the moon's shadow has a detectable weather effect. If we placed a disk in space we could project a cold spot onto the planet and control it's ...
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4answers
197 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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175 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
179 views

What could cause a turn from global warming to global cooling?

Except a hypothesized orbital forcing! Ice cores shows that there are several irregular sharp temperature peaks in between of the big 100,000 years glaciations. What could cause those peaks? Almost ...
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1answer
67 views

What would be the extent of the feedback on climate of unattended deaths event?

Being given that decaying corpses will stop emitting digestive metane, but would release huge amount of methane during their decaying process, I was wondering if this could be considered among the ...
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1answer
132 views

Does “Arctic Greening” mean an increase in the spatial extent of vegetation, an increase in particular types of vegetation, or both?

I am trying to study the impact of biogenic volatile organic compounds (BVOCs) on the atmospheric chemistry of the Arctic Region which has been said to be "greening", by taking HCHO as a proxy.
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2answers
117 views

If plants convert a greenhouse gas into a non-greenhouse gas, do they cool?

Plants turn Carbon Dioxide into Oxygen, that is not a greenhouse gas. But Carbon Dioxide is. Therefore, wouldn't plants cool the area?
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1answer
59 views

How sustainable is timber housing? [closed]

Recently I watch a video on which they made a pretty impressively large building complex for housing out of timber. And they were saying that timber is sustainable compared to concrete and such. From ...
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1answer
890 views

Understanding a diagram of Earth's radiation balance

Trying to understand this image. Can someone tell me if I have the right reasoning here: Sun has 100% SW shooting to earth 30% of that 100% is reflected by clouds 70% remains Of that 70%, 45% of that ...
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1answer
76 views

Why has the average low for the hottest months in Clearwater Florida about 5 degrees higher than the historical average?

Look up Clearwater Florida on Wikipedia and it gives you the average low for the Months of July and August as being 74.2F. About 3-4 years ago I picked up running as a main hobby and the temperature ...
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1answer
94 views

Is the work “The photochemical origin of life” ,by A.Dauvillier, in line of principle still valid today? [closed]

Dauvillier, through his studies, demonstrate that a rise of 2 degrees, of the average temperature of the planet represents a point of no return, beyond which an irreversible process would trigger, ...
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1answer
45 views

What is the global warming potential (GWP) of any gas over a 1 day time frame?

Since in 100 years, the global warming potential (GWP) of methane is 28-36, what will be the GWP in 1 day time frame? Can it be calculated that way?
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1answer
146 views

How likely is Earth to naturally reverse climate change in the next 2 decades?

A new decade question: given that the “mini ice ages” were triggered by volcanic activity, how likely is it that we will experience similar levels of volcanic activity over the next 20 years? In ...
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1answer
187 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
88 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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1answer
83 views

Intuition on overall effects from climate change under different levels of warming

I am not a climate scientist, but I have been reading climate literature lately for my own education. Much of it discusses various effects that could be expected with different levels of warming, ...
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1answer
76 views

How much warming there was over time for a specific month?

I'm calculating warming trends in specific places and periods of time, that are related to the time a migratory bird spends in a stopover. But using different methods I got different results and I'm ...
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2answers
88 views

Is it possible that we can reduce climate change given our current actions?

Today, there are some scientists and people that are working on projects that will reduce the production of CO2 levels and effects of climate change. I'm very confused on whether it is possible for ...
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1answer
120 views

Is there a formula for heat retained by an atmosphere, based on density and composition?

I'm looking for a formula, either precise or an approximation (it's for a video game so it's ok to have somewhat rough numbers), that determines heat retained from the sun by an atmosphere, based on ...
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0answers
68 views

How can we best objectively quantify climate change mitigation urgency? [closed]

Quantifying climate change mitigation urgency seems to have three aspects: (1) Green House Gas reduction targets required to meet a specific goal such as 2C. The first guesstimate seems to be zero ...
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0answers
37 views

Help in understanding this. Is this just an empirical observation on climate sensitivity?

I was reading this on realclimate.org. My question on the below is this. Physics can tell you the radiative forcing of CO2, which is $\small\mathsf{5.35ln(Cnew/Cpreindustrial)}$. This tells you how ...
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74 views

Author's Name Of A Book On Bill Maher's Shelf [closed]

Could any of you, please, tell me who is the author of this book on Bill Maher's shelf? The book name is "Climate Science" and the cover color seems to be green. I looked for it on the Amazon website ...
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0answers
77 views

Climate change: Human vs Natural [duplicate]

The planet has been warming for thousands of years. Human activity has accelerated the warming, but by how much? At some point in the future, without human intervention, the climate will have ...
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0answers
138 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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0answers
72 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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