Questions tagged [climate-change]

Climate change is a significant and lasting change in the statistical distribution of weather patterns. In public discourse, often used as a shorthand for the effects of anthropogenic global warming.

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Is moderated livestock grazing an effective countermeasure for desertification?

In this TED talk from 2013, Allan Savory claims that livestock/cattle grazing (not industrial farming, but rather some frugal grazing of herds) help prevent and reverse desertification processes, ...
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9 votes
1 answer
535 views

Is the equivalent of 2000 American football fields lost every hour due to drought and desertification?

BBC states the following Approximately 12 million hectares (46,000 sq miles) are lost around the world each year as a direct consequence of drought and desertification. That's the equivalent of 2,000 ...
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5 votes
1 answer
541 views

Do Lufthansa's Compensaid schemes make flights carbon-neutral?

My employer recently announced that all outbound flights will be carbon neutral due to a recent program of our preferred airline. Lufthansa's Compensaid claims that With our reliable partner ...
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34 votes
2 answers
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Is methane responsible for nearly one-third of all global warming to date?

A recent BBC article says that the latest IPCC report says methane is responsible for 0.3°C out of 1.1°C of all cumulative warming since pre-industrial times. According to the IPCC, around 0.3C of ...
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11 votes
1 answer
853 views

Do the lifetime emissions of 'three and a half Americans' kill 'one person'?

On 29th July 2021, Nature published a paper titled "The Mortality Cost of Carbon" and many publications have repeated a rather sensational part of the abstract of the paper (emphasis added): ...
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3 votes
1 answer
350 views

Have Australia's emissions fallen to the lowest level since 1990

The Liberal Party of Australia posted a claim on Facebook that Australia's emissions have fallen to the lowest level since 1990. Is this accurate? Below is a screenshot of the Facebook post, and ...
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5 votes
1 answer
362 views

Have greenhouse gas emissions from Australian red meat production fallen nearly 60% since 2005?

The BBC is reporting that Meat and Livestock Australia (MLA) is reporting that "greenhouse gas emissions from the industry have fallen by almost 60% since 2005". This seems to be from the ...
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21 votes
1 answer
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Did Elon Musk's bitcoin transactions release more carbon in a few days than the amount saved by all Teslas ever sold?

In The Guardian, on May 29, 2021, Adam Greenfield writes: Elon Musk’s recent large-scale transactions in proof-of-work-based Bitcoin released more carbon into the atmosphere in just a few days than ...
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10 votes
3 answers
645 views

Has non-TSI solar output increased over the past century in ways the IPCC climate models ignore?

Prof. Nir Shaviv, an American-Israeli astrophysicist, who argues against Anthropomorphic Global Warming, wrote (6 years ago): As an astrophysicist, I see that the scope of solar effects considered by ...
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5 votes
1 answer
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Will renewable energy strategies generate a net increase in jobs?

In the battle against climate change we often hear that new renewable energy programs will generate a large number of new jobs. At the recent Paris Climate summit Boris Johnson said that a green ...
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8 votes
1 answer
839 views

Publication Bias in Climate Sensitivity Estimates

It is claimed by Rickova and Irsova, in a paper titled "Publication Bias in Measuring Climate Sensitivity" [A], that: We present a meta-regression analysis of the relation between the ...
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41 votes
2 answers
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Are environmentalists largely responsible for Californian forest fires?

An article on Reason, and the associated video, claim that the severity of the recent forest fires are largely due to environmental regulations that prevent good forest management, along with an ...
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3 votes
1 answer
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Are there currently more large fires in Africa and South America than the rest of the world?

This has been doing the rounds on Twitter: NASA fire map shows the absolute failure of mainstream media for not expressing how devasting fires in southern Africa and South America are. Certainly to ...
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4 votes
1 answer
1k views

Is there a 10% chance of 6-10°C of warming this century?

From a 2016 The Atlantic article, Human Extinction Isn't That Unlikely: UN-approved climate models estimate that the risk of six to ten degrees Celsius of warming ... “On a more plausible emissions ...
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12 votes
1 answer
760 views

Does sending an email have a carbon footprint of 0.3g to 50g CO2e?

The carbon footprint, in carbon dioxide equivalent, of sending an email message, has been estimated at 0.3 gCO2e for a spam email, 4 gCO2e for a "proper email", and 50 gCO2e for an "email with long ...
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3 votes
3 answers
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Why did the value for "average surface temperature of Earth" change from 15°C to 14°C in some scientific literature concerning climate change?

I recently stumbled across an article from a global warming skeptic stating that the "average surface temperature of Earth" changed from 15°C to 14°C in some scientific literature concerning climate ...
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7 votes
1 answer
321 views

Did British homes increase greenhouse gas emissions by 4% in 2018?

According to this report from The Times, Greenhouse gas emissions fell in every sector — including transport, industry and energy — in 2018, but emissions from homes went up 4 per cent, government ...
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80 votes
3 answers
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Have China and India more than doubled carbon emissions since 2000 while U.S. emissions have fallen?

The following meme has been shared circa Dec 2019 on social media and several blogs: The text reads: China's Carbon Emission Change Since 2000: +208% India's Carbon Emission Change Since 2000: +155% ...
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9 votes
1 answer
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Do CO₂ emissions need to be cut to near zero to stop global temperatures rising?

In Bill Gates' 2010 TED talk, Bill Gates: Innovating to zero! [YouTube], Gates mentions that he has asked the top scientists on this several times: Do we really have to get down to near zero? Can't ...
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3 votes
1 answer
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Are the Australian bushfires in the same path as a proposed high speed rail line?

Is it true that a proposed high-speed rail line is in the path of the brushfires? Source: https://noagendasocial.com/@AdamAtSea/103473125309193160 Also: https://firms.modaps.eosdis.nasa.gov/map/
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2 votes
1 answer
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Do Swedes believe climate change spending to be the biggest waste of taxpayer money in 2019?

Yesterday, Breitbart claimed: The Swedish public has voted that climate change spending has been the biggest waste of taxpayer money in 2019, according to a poll by the Swedish Taxpayers' ...
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31 votes
2 answers
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Did Alexander Graham Bell write "the unchecked burning of fossil fuels would have a sort of greenhouse effect" in 1917?

Quoting from a clearly low-quality journal: In 1917 Alexander Graham Bell wrote. The unchecked burning of fossil fuels] would have a sort of greenhouse effect", and "The net result is the ...
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37 votes
1 answer
11k views

Were the emission savings of Greta Thunberg's trip by boat outweighed by crew flights?

Greta Thunberg sailed from England to New York in a yacht. Wikipedia explains: The trip was announced as a carbon-neutral transatlantic crossing serving as a demonstration of Thunberg's declared ...
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103 votes
4 answers
25k views

Does the production of a Tesla battery produce as much CO2 as driving 200,000 km?

Recently I read on Greenpeace's website, that the production of a 100 kWh battery, as in the Tesla Model S, produces as much CO2 as driving a regular car for 200,000 km. Source: Tesla car ...
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6 votes
1 answer
709 views

Is climate change causing more storms and worse storm damage?

The BBC reports, under this headline Climate change: Bigger hurricanes are now more damaging One of the big questions that scientists have wrestled with is how to compare storm events from ...
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12 votes
1 answer
3k views

Do termites produce 10 times more CO2 than humans?

On October 21 2019 Australian Federal MP Malcolm Roberts posted an image to his Facebook feed claiming termites produce 10 times more CO2 than humans in a year. Is there a factual basis to this? ...
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12 votes
2 answers
2k views

Did 500 scientists sign a declaration saying "There Is No Climate Emergency"?

In this press release from The Global Warming Policy Foundation (GWPF), there is a claim that 500 prominent climate scientists and professionals has submitted a declaration that there is no “climate ...
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6 votes
1 answer
1k views

Does the USA have the highest cumulative CO2 emissions since 1750?

Vox has posted a cumulative graph of CO2 emissions since 1750. And the USA is flagged as the chief culprit. The actual title of the Vox article is: Why the US bears the most responsibility for ...
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12 votes
2 answers
1k views

Will global warming save millions of lives?

The Telegraph reported in 2009 that: Global warming will save millions of lives Dire predictions about climate change and health omit the cost of cold, says Bjorn Lomborg. By Bjorn Lomborg.6:56PM GMT ...
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7 votes
0 answers
645 views

Is climate change already killing people and costing billions in the USA?

According to Gizmodo: Climate change will make our lives worse in the years to come, but a new report out last week highlights the stark costs people are already paying across the Atlantic. In 2012 ...
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78 votes
4 answers
15k views

Do Milankovitch Cycles fully explain climate change?

The Milankovitch Cycles is the effect on the climate caused by variations in astronomical movements by the Earth relative to the Sun. A recent Natural News article attributes of the recent effects of ...
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29 votes
2 answers
12k views

Did the US Climate Reference Network Show No New Warming Since 2005 in the US?

I believe most are aware of the difficulties on surface based temperatures. Gaps in thermometer placement and reliance on extrapolation, placement near HVAC unit, cities and other heat sources or ...
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6 votes
1 answer
877 views

Are the 2019 Amazon rainforest fires only 7% higher than the 10 year average?

This article makes the following claim: While the number of fires in 2019 is indeed 80% higher than in 2018, it’s just 7% higher than the average over the last 10 years ago, Nepstad said. ...
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27 votes
1 answer
1k views

Was the number of forest fires in the Amazon in Summer 2019 considerably higher than usual?

This picture made the rounds in summer 2019, supposedly showing the areas affected by rainforest fires in Brazil (and other countries) right now. Of course it looks very bad and I'm pretty sure it is. ...
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58 votes
5 answers
13k views

Do beef farmed pastures net remove carbon emissions?

This viral image claims that an example beef farm with 130 cattle removes many tons of Carbon from the atmosphere every year. However it does not provide any sources. This image has been shared many ...
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5 votes
1 answer
830 views

Has sea level rise slowed down?

This is a piece taken from the Wikipedia page for the Jason-1 satellite used to measure sea level rise. Although the 1993–2005 Topex/Poseidon satellite measured an average annual Global Mean Sea ...
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68 votes
1 answer
14k views

Was the 45.9°C temperature in France in June 2019 the highest ever recorded in France?

It was widely reported that on 28th June, 2019, a record temperature of 45.9°C was recorded in Gallargues-le-Montueux, France, breaking the previous 2003 record of 44.1°C. Sources: Metéo France, BBC, ...
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43 votes
2 answers
10k views

Does a return economy-class seat between London and San Francisco release 5.28 tonnes of CO2 equivalents?

I took this self-survey of CO2 emissions run by the German Environment Agency. It computes for example that an economy class seat from London to San Francisco and back – about 22 hours flight &...
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3 votes
0 answers
277 views

What is the impact on climate change of having a child?

I found one study from 2017 that says (emphasis mine): We recommend four widely applicable high-impact (i.e. low emissions) actions with the potential to contribute to systemic change and ...
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11 votes
2 answers
2k views

Does having one fewer child reduce my carbon footprint as much as 71+ people going vegan?

In July 2017, ScienceMag reported on a study: Eating no meat cuts an individual’s carbon footprint by 820 kilograms of carbon dioxide (CO2) each year [...] by choosing to have one fewer child in ...
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2 votes
2 answers
2k views

Did the "The Hampshire Advertiser" publish an article about many droughts in Europe on Saturday July 17 1852?

Craig Kelly, an Australian Politician, shared this photo on Facebook in the context of global warming and climate change. The article contains dates of droughts and "excessive heat" during the ...
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47 votes
3 answers
10k views

Can fracking help reduce CO2?

The Guardian reports that the UK fracking tsar, Natascha Engel, has resigned and blamed anti-fracking activism for "fear-mongering", saying: “There is much to be optimistic about how developing ...
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8 votes
1 answer
2k views

Is there more forest in the Northern Hemisphere now than 100 years ago?

In April 19, 2019, there was a public debating event called "Happiness: Capitalism vs. Marxism" featuring Canadian psychologist Jordan B. Peterson and psychoanalytical philosopher Slavoj Žižek as the ...
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12 votes
1 answer
1k views

Is the "walrus scene" a result of climate change?

In Netflix’s new David Attenborough series "Our Planet" you can find "the walrus scene" in the second episode. It's a vulgar occurrence where dozens of walruses become stranded on a high cliff and ...
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1 vote
0 answers
195 views

Claim that CO2 is less relevant because it is logarithmic [duplicate]

This video presents and claims that doubling the CO2 levels would only increase the global warming by 1%, whatever that means. Now it seems like the graph contains real data, so what is up with the ...
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10 votes
1 answer
852 views

Is Bhutan the only carbon neutral/negative country?

Twitter moments recently had a moment about Bhutan being the only carbon neutral country in the world: Why Bhutan Is All Alone in the Carbon-Neutral Nation Club and one tweet in the Twitter moments ...
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6 votes
3 answers
619 views

Was 38.2 billion tons of carbon dioxide added to the atmosphere in 2011?

A December 2012 CNN article reported Last year, all the world's nations combined pumped nearly 38.2 billion tons of carbon dioxide into the air from the burning of fossil fuels such as coal and ...
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17 votes
1 answer
653 views

Is the restoration of peat bogs an effective way to slow down human-made climate change?

The Finnish carbon sink project Hiilipörssi ("carbon exchange") has this tagline on their English information page: Did you know that restoring peatlands is one of the most cost-effective ways to ...
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-4 votes
1 answer
285 views

Does carbon dioxide pollute the atmosphere? [closed]

Following the explosive growth in the use of coal for industrial processes, in which the UK from the late 1800s to the mid-1900s was memorably darkened with soot, the public became aware of "pollution"...
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3 votes
1 answer
7k views

Is this image of a skinny polar bear misleading? [closed]

Today I saw this image comparing a polar bear from 2009 to one from 2019: It’s been shared nearly 50k times, as of writing this. My question is is this accurate? My main suspicions are the following:...
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