85 votes

Does the logarithmic nature of global warming invalidate climate change claims?

Yes it is logarithmic (although relative to amount of CO2 in a sample volume of gas, not its concentration). No that doesn't invalidate climate change. If you want to read a detailed explanation for ...
  • 1,171
35 votes

Does the logarithmic nature of global warming invalidate climate change claims?

No, it is not true that it invalidates climate change claims, or the need to limit further increases in CO2 concentration specifically as it relates to warming (we can ignore stuff like ocean ...
  • 9,388
25 votes

Are global temperatures cooler in 2017 than 2007?

tl;dr- This claim is false and has been retracted. The figure shown in the claim is wrong because it used one data interpretation method before 2010 and then switched to another after that, causing ...
  • 4,070
24 votes
Accepted

Why did the value for "average surface temperature of Earth" change from 15°C to 14°C in some scientific literature concerning climate change?

The article quotes a scientific paper as saying: Hansen and colleagues have estimated that Earth's actual average surface air temperature between 1951 and 1980 was approximately 287 K (14 degrees ...
  • 40.5k
21 votes

Is global warming impossible because of CO₂'s dilution?

Each CO2 molecule in the air would have to be 2,500°C This is wrong because molecules collide with each other, transferring their kinetic energy. As explained in Elements of Physical Chemistry by ...
  • 99.4k
12 votes

Could global warming lead to an oxygen shortage by 2100?

Disconnect between journal article and the blog post on it The sketchy claim investigated in this question is: “By 2100, the earth at sea level could have atmospheric oxygen levels comparable to the ...
  • 4,070
11 votes
Accepted

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

tl;dr: There was a 4% increase in CO2 emissions from the residential sector due to demand for natural gas for heating. When adjusted for temperature, there was a decrease of around 1.5% Residential ...
  • 9,744
11 votes

Does humanity find it easier to adapt to a warm climate than a cold climate?

Since you were (apparently) thinking about line of research of David Zhang and his colleagues: yes they did find that cold weather historically promoted more wars and ultimately population decline, ...
  • 52.9k
10 votes

Does the logarithmic nature of global warming invalidate climate change claims?

The first part of the claim is: the effectiveness of CO2 as a greenhouse gas diminishes logarithmically with increasing concentration and from the current level of ~390 ppmv, (parts per million by ...
  • 99.4k
9 votes

Does the Mount Washington wind speed record have scientific validity?

THE GREAT WIND OF APRIL 11-12, 1934, ON MOUNT WASHINGTON, N.H., AND ITS MEASUREMENT In the course of preparation of this paper, and in order to establish all the facts of such important records, ...
  • 99.4k
8 votes

Are global temperatures cooler in 2017 than 2007?

TL;DR Are global temps cooler today than in 2007? No, and even if they are (which they are not), that wouldn't mean anything. Climate change is about what happens over the course of multiple ...
  • 11.2k
8 votes

Is global warming impossible because of CO₂'s dilution?

No, it's not true. Here's a 60-second explanation of global warming. It's conservation of energy. Fourier asked in 1824: the earth receives a continuous stream of energy from the sun. Why doesn't it ...
7 votes

Did Willie Soon fail to disclose a conflict of interest with the fossil fuel lobby?

note: This question was originally much longer and quoted section 1 of this response by The Heartland Institute. My comments here are in reference to those claims. The Heartland Institute's claims ...
  • 382
6 votes
Accepted

Can mountains surrounding a certain region protect it from rain/wind/cold?

Climate can definitely be affected by the presence of mountains. One such occurrence is Rain Shadow, where the peak of the mountain causes the clouds that would normally pass over to raise in altitude,...
  • 175
6 votes

Did Exxon suppress its own scientific results on climate change?

Bill McKibben's article is based on a report by a team of writers for the LA Times and Inside Climate, who, in the interests of transparency, posted many of their documents here. Here's some of what ...
  • 40.5k
6 votes
Accepted

Could 5G make weather satellites less effective?

This issue was discussed during the last World Radiocommunication Conference, held in November 2019 by the International Telecommunication Union (ITU), under Agenda Item 1.13. The ITU has worked on ...
  • 76
5 votes

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

Not all of Brazil is Amazon. Year 2019 to 26 August, Brazil has had an 80% increase in satellite detected fire spots from the same period in 2018. For the Amazon portion of Brazil the increase ...
  • 99.4k
5 votes

Are global temperatures cooler in 2017 than 2007?

No. See e.g. http://www.noaa.gov/news/international-report-confirms-2016-was-warmest-year-on-record-for-globe "The 27th annual State of the Climate report has confirmed that 2016 topped 2015 as the ...
  • 809
3 votes

Is global warming impossible because of CO₂'s dilution?

It has been amply demonstrated that global warming is in fact happening, e.g. http://data.giss.nasa.gov/gistemp/graphs_v3/ Therefore it can't be impossible :-) The mechanism by which it happens has ...
  • 809
1 vote

Why did the value for "average surface temperature of Earth" change from 15°C to 14°C in some scientific literature concerning climate change?

To add to Avery's excellent answer, I'd like to note that the absolute surface temperature of Earth isn't actually used to measure changes in climate, and that estimates of it changing over a few ...
1 vote

Could 5G make weather satellites less effective?

An article on Nature web page suggests the reason behind the concern. The 5G transmissions will involve many frequencies, but the key one under discussion is 23.8 gigahertz. Water vapour in the ...

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