279
votes
Are 19.6 pounds of CO2 produced from burning a gallon of gasoline?
This is directly addressed by the US Department of Energy at FuelEconomy.gov:
It seems impossible that a gallon of gasoline, which weighs about 6.3 pounds [2.9 kg], could produce 20 pounds [9.1 kg] ...
- 145k
274
votes
Accepted
Is this news article from 1912, essentially explaining climate change, real?
Yes, it was a real article printed in 1912.
Although that image of the article seems to have been spliced together so that the paper's name, section, and article are all in one neat little frame, ...
- 11.6k
202
votes
Accepted
Did Donald Trump say that "global warming was a hoax invented by the Chinese"?
He did write this on his twitter feed[archived]
The concept of global warming was created by and for the Chinese in order to make U.S. manufacturing non-competitive.
See also politifact: Yes, ...
- 52.1k
181
votes
Accepted
Do Milankovitch Cycles fully explain climate change?
The articles try to do some sleight-of-hand poorly. It goes on at great length about the accepted Milankovitch cycles (mostly taken straight from the NASA article, the same agency which is supposed to ...
- 22.6k
166
votes
Did NOAA publish a fake map with temperature data it doesn't have?
This claim is complete and utter bollocks.
Let's start with the obvious. If map A has some data on it, and map B doesn't, that in no way indicates that map A is fake - even if data is marked as '...
- 57.9k
162
votes
Accepted
Did NOAA publish a fake map with temperature data it doesn't have?
tl;dr: The supposedly fake map is composed of multiple sources of data, averaged over larger areas of the Earth and a longer period of its history. The map labelled as "the reality" shows just one of ...
- 9,012
156
votes
Have China and India more than doubled carbon emissions since 2000 while U.S. emissions have fallen?
The gross emissions numbers are essentially accurate
Here's a chart from the U.S. Energy Information Administration:
The World Bank and the International Energy Agency have similar values, but ...
- 10.4k
147
votes
Does the ratio of ¹⁴C in the atmosphere show that fossil fuels are not the dominant cause of global warming?
The paper is deeply flawed
There are a number of problems with this paper and many have pointed them out.
Andrews; Tans
Schwartz; Keeling; Meijer; Turnbull
Rice; Schade; Maslin
Musolino
Schwartz et ...
- 22.6k
116
votes
Accepted
Does the production of a Tesla battery produce as much CO2 as driving 200,000 km?
tl;dr: The claimed range is 50% higher than the worst assumptions for battery production, and 500% higher than the best assumptions. But it's not an apples to apples comparison.
Carbon emissions ...
- 10.4k
114
votes
Accepted
Are environmentalists largely responsible for Californian forest fires?
Are environmentalists responsible for Californian forest fires?
No. It was environmentalists (by which I mean people who professionally study forest ecology or environmental science) who have tried ...
- 15.4k
98
votes
Accepted
Do beef farmed pastures net remove carbon emissions?
No.
This is not really an infographic that is truthful. It is 'anecdotal evidence' evidence for one farm, very probably not true for that very farm, and in any case a misleading oversimplification.
...
- 44.1k
98
votes
Accepted
Did the US Climate Reference Network Show No New Warming Since 2005 in the US?
No, the USCRN is not sufficient to provide evidence of any discernible trend
The linked article says "as shown in the graph below," and provides this image:
This chart plots monthly data points, ...
- 10.4k
91
votes
Accepted
Did climate scientists in the 1980s predict a 1 meter sea level rise by now?
The 24 October 1983 report Projecting Future Sea Level Rise: Methodology, Estimates to the Year 2100 , 2nd edition, predicted (mid-range scenario, see table 4.1 on page 39):
by 2000:
8.8-13.2 ...
- 109k
86
votes
Did Donald Trump say that "global warming was a hoax invented by the Chinese"?
Yes, he absolutely said that. You can still read it on his Twitter feed, in fact, where in November of 2012 he said:
The concept of global warming was created by and for the Chinese in
order to ...
- 2,528
85
votes
Does the logarithmic nature of global warming invalidate climate change claims?
Yes it is logarithmic (although relative to amount of CO2 in a sample volume of gas, not its concentration). No that doesn't invalidate climate change. If you want to read a detailed explanation for ...
- 1,171
85
votes
Accepted
Was the 45.9°C temperature in France in June 2019 the highest ever recorded in France?
The 1930 measurement was taken incorrectly.
The claim was also made in domestic newspapers at the time, including L'Express du Midi:
50° AU SOLEIL A SAINT-ETIENNE
Saint-Etienne, 27 août. Le ...
- 11.1k
85
votes
Has 90% of ice around Antarctica disappeared in less than a decade?
Each southern summer, the sea ice around Antarctica melts. The peak of sea ice is usually in September and the trough in February. Currently, the sea ice is at a record low, as seen in red below. (...
- 109k
84
votes
Can fracking help reduce CO2?
If it replaces coal mining for power production, fracking reduces CO2 emissions, but that's not the whole story. Burning anything results in increased CO2 emissions, and methane leaks in fracked gas ...
- 10.4k
84
votes
Accepted
Were the emission savings of Greta Thunberg's trip by boat outweighed by crew flights?
The Daily Mail words their claim as follows:
[The yacht skipper Nikki] Henderson's flight from Britain to the US likely produced the same amount of emissions the journey hoped to save, countering Ms ...
- 46.9k
74
votes
Accepted
Do 40% of U.S. Americans think that global warming is unproblematic since Christ will return soon?
The 40% figure most likely comes from Pew Research Center:
By the year 2050, 41% of Americans believe that Jesus Christ definitely (23%) or probably (18%) will have returned to earth.
The ...
- 52.1k
74
votes
Does a return economy-class seat between London and San Francisco release 5.28 tonnes of CO2 equivalents?
Water vapor is indeed the most important greenhouse effect contributor.(Ref. 1)
It is usually not showing up in climate change discussions because mankind basically has no way of directly affecting ...
- 19.2k
71
votes
Does the production of a Tesla battery produce as much CO2 as driving 200,000 km?
In addition to all the other great answers there is one very important fact that's always ignored in these comparisons (Google translation, lightly corrected by me):
The total emissions of petrol ...
- 689
51
votes
Does using electricity from the grid in the U.S. result in more greenhouse gas emissions than using propane?
tl;dr A full analysis of whether it makes sense to electrify your vehicle fleet depends on fuel cost and carbon intensity in your area and over the lifetime of the vehicle.
It depends on where you're ...
- 22.6k
50
votes
Has natural gas "reduced carbon emissions from power generation by 38%" in Ohio?
From the linked tables, Ohio's carbon production fell from a high of 296.5 million metric tons in 2013 with regard to energy production to 185.6 million metric tons in 2020. That's a 37.4% reduction, ...
- 15.4k
46
votes
Accepted
Is methane responsible for nearly one-third of all global warming to date?
Yes, this seems to be (approximately) true. According to this paper from 2016. The total radiative forcing due to changes in the carbon dioxide concentration is roughly 1.6 watts per square meter (see ...
- 3,858
45
votes
Have China and India more than doubled carbon emissions since 2000 while U.S. emissions have fallen?
The first point of the question about the actual emissions statistics has already been answered but let me add some information relevant to the second point
Secondarily, is it the implied claim that ...
- 537
43
votes
Does it take 16 kg of CO2 equivalent to make two hamburgers?
Does it take 16 kg of CO2e to make two hamburgers? It seems an exaggeration.
That's about right. For example, per Got Beef? Here’s What Your Hamburger Is Doing To The Climate, it takes 60 kilograms ...
- 15.4k
40
votes
Does global warming trap as much heat as 600,000 Hiroshima-class bombs every day?
This article from 2016 attributes Al Gore's claim (with a figure of 400,000 Hiroshima bombs per day which Gore was citing at the time) to a 2012 TED talk by James Hansen, a climate researcher who was ...
- 5,484
39
votes
Did climate scientists in the 1980s predict a 1 meter sea level rise by now?
The conference would have presumably been organized by the Climate Research Unit. They have published proceedings for similar conferences going back to at least 1973. It would be ideal to track down ...
- 7,995
38
votes
Accepted
Did the Donald Trump organization cite "rising sea levels due to climate change" in a permit request in Ireland?
Evidence
TIGL Ireland Enterprises Ltd (authorized to trade legally as "Trump International Golf Links & Hotel Ireland", among other names) submitted a planning application (ref: 16371) to Clare ...
- 496
Only top scored, non community-wiki answers of a minimum length are eligible