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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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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Are we heading for a mini ice age?

According to the following article: http://www.theregister.co.uk/2011/06/14/ice_age/ Sunspot activity is rapidly declining, and when this has happened in the past this has led to a mini ice age. I'...
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Are the leaked Heartland Institute documents legitimate?

Dr. Phil Plait just posted this regarding the leak of some documents from a group called the Heartland Institute. There is some skepticism as to the authenticity of these documents. Are these ...
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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 ...
More Anonymous's user avatar
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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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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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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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Does climate change mean that weather becomes more variable in addition to being warmer?

In public media the notion that climate change is more than global warming gets repeated frequently. Are there strong predictions that show that the climate becomes more irregular? Would we expect the ...
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Is global warming impossible because of CO₂'s dilution?

Gary Novak argues (e.g. in his book, Science Errors and on his web site) that climate models are incorrect, because of a missing "dilution" factor. Climatologists skipped over the dilution factor. ...
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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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Are glaciers melting?

There seems to be a scientific consensus that glaciers are melting. For instance: Buzzle (Non-peer reviewed web-article): The last century has been a problem for glaciers across the globe. They ...
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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 has ...
Nitin's user avatar
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Does temperature drive CO₂?

The blog THE HOCKEY SCHTICK claims that "temperature drives CO2 levels, not man-made CO2". The paper "Atmospheric verification of anthropogenic CO2 emission trends" is cited as proof. The claim is ...
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Has the Urban Heat Island effect on the US temperature record been underestimated?

One of the early climate-skeptic arguments against the consensus view that the world is warming to a dangerous extent, was that the instrumental record of temperature was corrupted by the Urban Heat ...
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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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Are the latest estimates of the cost of climate policy five time higher than the projected benefits?

Bjorn Lomborg argues that the implication of the latest IPCC report is that current mitigation policies are not smart in that the cost of mitigating CO2 emissions is much higher than the benefits: ...
matt_black's user avatar
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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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Did increased global methane emissions in 2017 come from cattle farming?

In a 2017 press release, Don’t blame cattle – it’s humans who caused methane levels to skyrocket., Robert Howarth, Professor of Ecology and Evolutionary Biology at Cornell University claims that there ...
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To what extent do needle trees contribute to fine dust pollution?

Today I ran into an article concerning cars and their effect on the existence of particulate matter. Especially the last paragraph caught my attention where it is claimed that coniferous also ...
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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 ...
matt_black's user avatar
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Have climate models in the 80's and 90's accurately predicted today's climate? [closed]

Climate models seem to pretty useful tools for predicting future climate. Considering constant refinement of the models and Moore's law, it is conceivable that today's climate models are far more ...
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Are there alternative methods of meat production (such as free-range meat) that are better for the environment than factory farmed meat? [duplicate]

Possible Duplicate: Organic food is worse for the environment because it requires more land than non-organic food Most meat in developed nations is produced by Industrial agriculture methods, ...
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Does 1°C warming increase the H2O content of the atmosphere by 7%?

I recently watched a Jeremy Rifkin video in which he stated that a 1°C increase in temperature resulted in a 7% increase in atmospheric water. Seven percent seems like a pretty big number. If true, ...
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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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Did both higher temperatures and an ice age exist at CO₂ levels ten times the present?

The Climate Depot quotes Dr. Patrick Moore: When modern life evolved over 500 million years ago, CO₂ was more than 10 times higher than today, yet life flourished at this time. Then an Ice Age ...
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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 ...
the gods from engineering's user avatar
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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 ...
Ben Hocking's user avatar
6 votes
1 answer
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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. ...
David says Reinstate Monica's user avatar
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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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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 ...
matt_black's user avatar
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Is 70% of the world economy weather-sensitive?

Several sources make varying claims that 70% of the global economy is sensitive/dependant on the weather: Frogcast: Participative fundraising 70% of the world economy is weather sensitive. JOM: ...
Tutuquinho's user avatar
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475 views

Have western governments spent $100billion on global warming research and advocacy?

The author, Robert M Carter argues against Anthropogenic Global Warning and his book is called Climate: the counter consensus. In it he makes two related claims: that the cumulative funding on climate ...
matt_black's user avatar
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5 votes
1 answer
846 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 ...
TommySmith46's user avatar
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2 answers
831 views

Did UK Met Office claim in 2012 that global warming stopped 16 years ago?

Not the most respectable source, nevertheless mainstream newspaper Daily Mail claimed that: Global warming stopped 16 years ago, reveals Met Office report quietly released... and here is the ...
vartec's user avatar
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5 votes
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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 ...
John S's user avatar
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5 votes
1 answer
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Does Leonardo DiCaprio fly on private jets?

Does Leonardo DiCaprio fly on private jets? Example claim: Leonardo DiCaprio flies 8,000 miles in private jet to accept ‘green award' Oscar-winner Leonardo DiCaprio flew an additional 8,000 miles ...
Golden Cuy's user avatar
5 votes
1 answer
740 views

Is ocean acidification happening?

This YouTube video snippet, Dr Don Easterbrook claims there is not enough CO2 available to affect the oceans enough to make them go lower than a pH of 7, and hence there is no acidification. Is this ...
Celeritas's user avatar
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5 votes
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Was July 1936 the hottest month on record for mainland USA?

In July 2012, the US National Oceanic and Atmospheric Administration (NOAA) reported. The average temperature for the contiguous U.S. during July was 77.6°F, 3.3°F above the 20th century average, ...
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5 votes
1 answer
559 views

Is global temperature significantly affected by time of galactic year?

There is a claim that different patches of the galaxy have different climate effects due to variations in cosmic ray strength. I've occasionally heard this used to explain global warming but more ...
William Grobman's user avatar
5 votes
2 answers
317 views

Are annual contributions to carbon in the atmosphere due to human activities increasing by 6% per annum?

I recently began reading the 2014 book, The Sixth Extinction: An Unnatural History by Elizabeth Kolbert. When speaking about the amount of carbon that is added to the atmosphere by human activities (...
StrangerHopeful's user avatar
5 votes
1 answer
931 views

Have there been 28 years of "above average temperatures"?

350.org has posted following image on FB 341 months is a long time. If you're 28 or younger, you haven't experienced a full month of average global temperatures ever in your lifetime. ...
vartec's user avatar
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5 votes
1 answer
439 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 ...
Dave's user avatar
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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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1 answer
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Did someone using a private jet tell Americans their expectations are too high?

From twitter, a tweet that's going viral, including among climate change skeptics (action against climate change is being discussed at Davos): The cognitive dissonance in the first & last ...
Golden Cuy's user avatar
5 votes
0 answers
613 views

How are airplane contrails linked to climate change?

There are a wide range of opinions and articles on this question, and here are some excerpts from a blog on the point Artificial Weather Revealed by Post 9-11 Flight Groundings: In the August 2002 ...
Brian M. Hunt's user avatar
5 votes
0 answers
287 views

Was 2014 the hottest year on record? [closed]

When the numbers were counted several prominent observers of climate claimed that the year 2014 was the hottest ever. For example, Scientific American reported: It’s official: 2014 has taken the ...
matt_black's user avatar
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5 votes
0 answers
247 views

Are storms getting more or less severe in the long term for Australia?

Over the past couple of years people have been claiming that storms are getting more severe in Australia. Some linking this to global warming. Specifically Professor Ross Garnaut in the opening ...
going's user avatar
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4 votes
2 answers
792 views

Do RSS satellite samples show no warming since September 1996?

On the Climate Depot is a claim that Global Temperature Standstill Lengthens: No global warming for 17 years 10 months – Since Sept. 1996 (214 months) and this graph of RSS satellite data is ...
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4 votes
4 answers
2k views

Is offshore wind 9 times cheaper than fossil fuel?

The claim: "Offshore Wind in the U.K. Is 9 Times Cheaper Than Fossil Fuels" Yahoo news version The source from the article: Carbon Brief: Record-low price for UK offshore wind is nine times ...
JamieB's user avatar
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4 votes
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Global warming and mild winters

Does global warming make for milder winters? What about specifically North America? (You often hear people extol global warming for giving us mild winters. Is there evidence of a causal link?) Two ...
Neil G's user avatar
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