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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12
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2k views

Is animal agriculture responsible for more greenhouse gas emissions than transportation?

Animal agriculture is responsible for 18 percent of greenhouse gas emissions, more than all transportation combined. By http://www.cowspiracy.com/facts/ from Fao.org. Spotlight: Livestock impacts on ...
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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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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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Did Michael Mann based his entire pre-1421 hockey stick graph on one cedar on the Gaspé Peninsula? [closed]

Canadian author and cultural commentator, Mark Steyn, claims in his book, A Disgrace to the Profession that American climatologist Dr. Michael Mann based the pre-1421 data in his famous Hockey Stick ...
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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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Whose account of the response to Michael Mann's original “hockey stick” analysis is correct?

New York has filed a lawsuit against several Big Oil firms on the grounds that they fomented contrarian opinion to undermine some findings in climate science. In one part of the suit they claim the ...
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Is the current number of forest fires in the Amazon right now considerably higher than usual?

There is this picture making the rounds right now, 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 ...
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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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760 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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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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1answer
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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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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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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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Do human activities contribute to climate change?

There is lots of evidence that I have seen showing correlation between human activities and climate change but what evidence is there to support causation?
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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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In Miami, can you see fish from the ocean swim on the streets because of the sea level rise?

I was reading this article at theBlaze.com that talks about an interview Al Gore had with Chris Wallace (shown on Fox News on Sunday Jun 4, 2017). The article focuses on claims that Al Gore had made ...
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Does 51% of CNBC climate coverage deny that climate change is caused by man-made pollution?

Here is the source of the claim: Mediamatter for America climate statistics graph Tweeted, and re-tweeted by Al Gore The source that the image refers to: REPORT: CNBC's Climate Denial Is Bad For ...
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Are global temperatures cooler in 2017 than 2007?

The Global Warming Policy Forum claimed (9-Aug-2017): An inconvenient truth: Global temps were warmer when Al Gore won the 2007 Nobel Prize than today, even after the 2015/16 super El Nino. ...
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Are rising temperatures making fires worse?

Al Gore tweeted: Ferocious wildfire in California forces evacuation of ~3,000 [...] Rising temperatures are making fires worse. (Emphasis mine) Is this true?
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Does a “mosquito line” exist, above which mosquitos do not travel?

Is there any scientific definition or evidence of such a thing as the mosquito line? My first apartment in Manhattan was on the 25th floor of the Park Row building in the Financial District. The ...
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3answers
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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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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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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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Is half of the climate change in the past 110 years due to natural variation in the Sun's output?

A NASA website says: Of the many trends that appear to cause fluctuations in the Sun’s energy, those that last decades to centuries are the most likely to have a measurable impact on the Earth’s ...
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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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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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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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Did fertilising the ocean with 100 tons of iron sulphate increase the salmon catch by over 100,000 tons?

In July 2012 American businessman Russ George, dumped 100 tonnes of iron in the ocean off British Columbia to encourage plankton growth and thus increase salmon stocks (link). It is now claimed that ...
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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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Do women 'consume more sustainably than men'?

European Parliament Committee on Women's Rights and Gender Equality has adopted the resolution "on women and climate change". The report argues that climate change exacerbates gender ...
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Did Donald Trump say that “global warming was a hoax invented by the Chinese”?

In the Presidential debate of 26th September, Hillary Clinton claimed that "Donald Trump said that global warming was a hoax invented by the Chinese" . Trump replied several times "I did not say that"....
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Is a billion dollar lobbying campaign primarily responsible for opposition to climate policy?

A recent article in arstechnica reports that there is a large flow of funding from some conservative groups to a network of climate denying think tanks and lobbyists. The article Reports how work by ...
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Are the 16 scientists who claim that climate change is not something to worry about climate scientists?

This is a pretty specific question – in the Wall Street Journal article dated January 27, 2012 entitled "No Need to Panic About Global Warming. There's no compelling scientific argument for drastic ...
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Does this graph show climate-change predictions don't meet observations?

Dr. Roy Spencer, a climate change contrarian, posted this graph on his blog claiming that observed temperature trends are much lower than what climate models predict: Is Spencer misrepresenting what ...
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Is climate close to a “tipping point”?

James Hansen has long used the idea of a climate tipping point in his public arguments for urgent and drastic action to combat climate change (For an extended exposition of his idea, see a pdf of one ...
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Are the specific claims from the “WSJ 16” climate skeptics true?

The Wall Street Journal letter by 16 "prominent scientists" has already provoked a question here ( Are the 16 scientists who claim that climate change is not something to worry about climate ...
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Is this refutation of Climate Change scientifically valid? [closed]

From this article. I don't like Breitbart as a source but I try hard to make sure I don't dismiss entirely their claims without reason. I'd like help interpreting their claims. A German professor ...
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Does CO₂ cause Global Warming?

I know there is global warming, and I know that it is caused by human activity, but is carbon dioxide the cause of it? I read somewhere that apparently increase of CO₂ doesn't cause the increase in ...
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Do the recent CLOUD results have significant implications for global warming?

According to this Science Daily summary of a recent paper published in Nature and the abstract at Nature, a recent result indicates that cosmic rays play a larger role in cloud formation than was ...
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Does physics give a climate sensitivity to carbon dioxide of about 3°C?

A letter to the editor of the Economist from Professor Anders Levermann of the Potsdam Institute for Climate Impact Research stated the following: The IPCC’s range on sensitivity is supported by, ...
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Does Susan Crockford have any scientific credentials related to polar bears?

A recent paper Internet Blogs, Polar Bears, and Climate-Change Denial by Proxy by a number of very well known climate campaigners/experts addresses some of the media controversy about the effect of ...
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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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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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Did climate scientists in the 1980s predict a 1 meter sea level rise by now?

Stuart Agnew is a Member of the European Parliament for the Eastern Counties (in the UK) and stood on the UKIP ticket. His web site describes attending a global warming conference in the "mid-Eighties"...
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Is this picture of the melting ice at the North Pole legitimate?

There are multiple stories about the melting of ice at the North Pole, and I know enough about climate science to recognize the seriousness of the issue — my question is not about that. I've recently ...
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Is this news article from 1912, essentially explaining climate change, real?

I found this image on reddit, and I'm wondering if this is real? Was this actually published over 100 years ago? Transcription: Science Notes And News COAL CONSUMPTION AFFECTING CLIMATE ...
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Is burning 1ha of grassland more environmentally damaging than 6000 cars?

In this video, around 10:50 Minutes, Allan Savory claims that: Now, if it does not decay biologically, it shifts to oxidation, which is a very slow process, and this smothers and kills grasses, ...
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Did the UN warn “we have 12 years to limit climate change catastrophe”

The title of this article by The Guardian by Jonathan Watts Global the "environment editor", We have 12 years to limit climate change catastrophe, warns UN Who made this warning, and where is it? ...
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If cows were a country, would they rank 3rd in greenhouse gas emissions?

According to GatesNotes.com: If all the cattle in the world joined together to start their own country, they would rank behind only China and the United States in greenhouse gas emissions. But they’...
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Are the IPCC climate change models overestimating sensitivity to carbon dioxide?

A recent report in The Register suggests that we might be currently overestimating the degree to which the world will warm with increasing carbon dioxide. Climate sensitivity is, crudely, the slope ...