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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Does a single bitcoin transaction result in 760 kg of carbon emissions?
From Alex De Vries' Digiconomist blog, as of 2 Feb 2025, a single bitcoin transaction results in emissions of 761.19 kgCO2:
The numbers and methodology are explained in a 2018 paper by the author, ...
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Are global wildfires decreasing?
According to the World Health Organization,
Climate change is directly contributing to humanitarian emergencies from heatwaves, wildfires, floods, tropical storms and hurricanes and they are ...
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Has 90% of ice around Antarctica disappeared in less than a decade?
According to CNN, 90% of ice around Antarctica has disappeared in less than a decade.
In the video, CNN Climate Correspondent, Bill Weir states:
... the ice around the continent was growing. In 2014, ...
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Has natural gas "reduced carbon emissions from power generation by 38%" in Ohio?
On January 6, Ohio Gov. Mike DeWine signed legislation that legally defined natural gas as a source of "green energy."
In a January 10 opinion piece U.S. representative Troy Baldwin (of Ohio)...
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Is Amazon powered by 85% renewable energy?
In a video on the TED YouTube channel, Chris Roe, Amazon's director of energy and sustainable operations, makes a claim that Amazon is powered by 85% renewable energy.
I suspect 85% is too optimistic ...
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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
It’s also worth putting the amount of carbon involved in having a Christmas tree in context. The Carbon Trust estimates ...
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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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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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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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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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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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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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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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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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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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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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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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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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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 different ...
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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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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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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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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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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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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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