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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79
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3answers
18k views

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:...
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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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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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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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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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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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1answer
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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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Do cows contribute more to atmospheric warming than cars?

In this article and many others, I read that cows are contributing to the climate change more than cars in releasing CO2. A United Nations report has identified the world's rapidly growing herds ...
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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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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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1answer
650 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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Is Matt Ridley's assertion that the most extreme of the IPCC climate projections is based on very implausible assumptions correct?

Matt Ridley, the science writer who is often grouped with skeptics of warming and denialists despite asserting: man-made climate change is real but not likely to do much harm, let alone prove to be ...
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1answer
859 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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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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Is Antarctica gaining or losing ice?

A recent NASA study says Antarctica is gaining ice: Ice, Cloud and land Elevation Satellite (ICESat) data (2003–08) show mass gains from snow accumulation exceeded discharge losses by 82 ± 25 Gt a–...
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Does the Kiri Tree reduce carbon dioxide emissions ten times more than the average tree?

The About section of the Kiri Tree website says: The tree is known to reduce carbon dioxide (CO2) emissions ten times more than the average tree and also in return produce ten times more oxygen ...
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1answer
781 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 ...
12
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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 ...
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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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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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1answer
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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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1answer
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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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1answer
795 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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1answer
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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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1answer
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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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1answer
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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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1answer
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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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1answer
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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 ...