1/17》Climate change is not making hurricanes more destructive.
sealevel.info/learnmore.html…

Image
2/17》Nor is it making tornadoes more destructive.
sealevel.info/learnmore.html…
3/17》Nor is it making wildfires worse.
sealevel.info/learnmore.html…
4/17》Nor is it making droughts worse.
sealevel.info/learnmore.html…
5/17》Nor is it significantly affecting sea-level trends.
sealevel.info/learnmore.html
6/17》Temperatures are slightly milder than they were a century ago, but they are nowhere near unprecedented.
sealevel.info/learnmore.html…
7/17》Recent warming is very slow & slight compared to past natural warming events, such as Dansgaard-Oeschger terminations. Ice cores record dozens of them in the last 100K years.


D-O terminations warmed at rates of up to several degrees/decade (>10× recent rates of warming), in the NH. Fortunately, even those large, abrupt temperature changes apparently didn't cause mass extinctions.sealevel.info/learnmore.html…
8/17》The main consequences of CO2 emissions and climate change have been very positive, like a greening Earth:



This is NASA's video about it:
nasa.gov/technology/car…
sealevel.info/greening_earth…
9/17》The Sahel (southern Sahara) is benefiting tremendously from rising CO2 levels.


@NewScientist reported the "remarkable environmental turnaround," including a “quite spectacular regeneration of vegetation,” and "70% increase in yields of local cereals such as sorghum and millet in one province in recent years."sealevel.info/Pearce2002_Afr…

Image
10/17》In 2009 @NatGeo reported, "Vast swaths of North Africa are getting noticeably lusher due to warming temperatures, new satellite images show, suggesting a possible boon for people living in the driest part of the continent."
sealevel.info/Owen2009_Sahar…
@newscientist @NatGeo 11/17》Rising CO2 levels greatly improve global food security, by increasing crop yields, through "CO2 fertilization," and through improved water use efficiency and drought resilience. That's helping make famines rare for the first time in history.
sealevel.info/learnmore.html…
@newscientist @NatGeo 12/17》Throughout human history, until the late 20th century, famine was a Damoclean sword hanging over mankind: the "Third Horseman of the Apocalypse." If you're too young to remember catastrophic drought-triggered famines, count yourself blessed.
sealevel.info/learnmore.html…
Image
@newscientist @NatGeo 13/17》To put it in perspective:
● Covid-19 killed 0.1% of world population.
● 1918 flu killed about 2%.
● WWII killed 2.7%.
● The near-global drought and famine of 1876-78 killed about 3.7% of the world population.
journals.ametsoc.org/view/journals/…
@newscientist @NatGeo 14/17》Here are some more papers documenting the major beneficial effects of CO2 emissions.
sealevel.info/negative_socia…
@newscientist @NatGeo 15/17》The CO2 Coalition has many great resources for learning the facts about CO2 and climate change:
co2coalition.org
@newscientist @NatGeo 16/17》Many top scientists are members of the CO2 Coalition, where they volunteer their time for free, in support of sound science.
17/17》To understand #ClimateChange (or any other politicized or contentious topic), you need balanced information.

I'm here to help:


This resource list has:
● accurate intro climatology info
● in-depth science from BOTH skeptics & alarmists
● links to balanced debates between experts on BOTH sides
● info about climate impacts
● links to the best blogs on BOTH sidessealevel.info/learnmore.html
@newscientist @NatGeo Compilation:


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More from @ncdave4life

Oct 28
1/25. The leading organization promoting the Climate Industry's "climate emergency" PR campaign is the IPCC. It has severe credibility issues. Investigative journalist Donna Laframboise explains some of them in this lecture about the IPCC's 2007 AR4 Report:


(It's 31 minutes but she speaks very clearly, so she's perfectly understandable at 2x speed.)


(Caveat: I've been an IPCC Expert Reviewer on a couple of their assessment reports.)
2/25. It's only gotten worse since then. The IPCC's 2022 AR6 Report explicitly promotes what I call "homeopathic climatology" (TCRE/RCB), which represents an overt rejection of science.
3/25. The TCRE ("Transient Climate Response to cumulative CO2 Emissions") and RCB ("Remaining Carbon Budget") concepts are homeopathy applied to climatology: the belief that the mere memory of a substance is all that's necessary for it to have its effect.

Read 26 tweets
Oct 25
1/13》I remember when @SciAm was a highly respected scientific periodical, rather than a political tabloid that reprinted disinformation like this, from other publications, written by nonscientists.

@sciam 2/13》Back when @SciAm was trustworthy, you could read it to learn about what real scientific research was discovering about a wide variety of topics, including CO2. Here's an excellent Scientific American report — from a century ago:
sealevel.info/ScientificAmer…
Read 15 tweets
Oct 25
1/4.
Re: the two definitions of "heat"

Joe wrote, "a body does not contain heat"

Are you sure about that, Joe? Then riddle me this:

A. What does "heat capacity" mean?

B. What does "heat content" mean? (E.g., "ocean heat content" [OHC].)

Those are "open book" questions. Feel free to use a dictionary, or search google scholar, etc. In fact, I'll help you get started:

Heat capacity:



Ocean heat content (OHC):



Heat content (other than OHC):

2/4.
Re: lapse rate, and what the air absorbs

Joe wrote, "The atmosphere has different T’s based on what it absorbs from above or below."

That's correct, in part. †

But Joe also wrote, "lapse rate is not enhanced by CO2."

Here's the thing: CO2 in the air affects "what [the atmosphere] absorbs from above and below."

This is Earth's emission spectrum (measured from orbit, over the tropical Pacific). The big notch which I've annotated in green is due to CO2 in the air absorbing radiation from below (and also emitting radiation from air at colder temperatures):


(† However, asking what causes the zip-zag lapse rate shape was kind of a trick question, because there are several causes, and thermodynamic expansion/ compression of air is another, and condensation/ evaporation of moisture is a third.)
3/4.
CO2 (and other GHGs) are colorants. They tint the atmosphere (though in the far infrared, rather than visible part of the spectrum). That causes the air to absorb radiation that otherwise would have passed through. Absorbing radiation warms the air.


It doesn't take much "colorant" to have a substantial effect on absorption of radiation.


Read 5 tweets
Oct 23
1/3》 No reefs are dying due to climate change. Climate Industry agitprop CLAIMS coral reefs WILL die due to climate change. But they stubbornly refuse to comply.

A web search finds lots of Climate Industry propagandists frantically "spinning" that news:
google.com/search?q=recor…
2/3》 There are coral reefs which have been damaged by storms, starfish, water pollutants, dragging anchors, dredging, silt, etc. But not climate change.

With an El Niño coming on, the Pacific will probably "slosh east," lowering water levels at the GBR. So there'll probably be more frequent bleaching events there, pretty soon. But that's normal.
3/3》 In other words, as you can see for yourself, the sources you've been trusting on the topic of climate change lied to you.

But the takeaway point is less about climate than about epistemology. This is the important lesson:
Image
Read 4 tweets
Oct 23
1/10. That Grauniad article is disinformation. I'll see you their "11,000 scientists" and raise you over 30,000 scientists who know better.

The best scientific evidence shows that manmade climate change is modest & benign, and CO2 emissions are beneficial, not harmful. Over 30,000 American scientists signed a petition attesting to those facts. I'm one of them.quora.com/Did-30-000-sci…

Image
2/10. Climate change does not threaten coral reefs. In fact, most coral thrive best in the warmest water. Even the very warm southern Red Sea is dotted with healthy coral reefs (unlike the cooler Mediterranean).

If you look at a map of coral reef locations, you'll see that they're clustered around the equator.

Image
3/10. Some coral inhabit temperate zones, but most prefer tropics. In fact, where there are seasons, corals grow fastest in summer.

At 7:20 in this BBC video you can hear how wonderfully healthy the coral are in warmest part of the very warm southern Red Sea, off Eritrea.
Read 11 tweets
Oct 22
1/5. If you learn about agronomy from climate-activist journalists, instead of agronomists, you're sure to be misled. Author Eleanor McCrary @ellie_mccrary apparently started from a 2018 disinformation piece by freelance journalist Annie Sneed @aisneed.

The Sneed article is entitled "Ask the Experts…" and the McCrary article is entitled "…Experts Say." Yet both of those journalists are so clueless about their topic that neither of them even knew who the "experts" were to ask! For their articles about agronomy, neither author spoke to a single agronomist!!

Image
2/5. The result is that both articles are full of false information.

My hypothes⋅is annotation of the Sneed article has a detailed, point-by-point critique of the major mistakes in it:

Scroll down and click on each highlighted section to see the critique of that section.

(Let me know whether it works for you.)via.hypothes.is/https://www.sc…
3/5. Agronomists have conducted THOUSANDS of rigorous studies, measuring the benefits of elevated CO2 (eCO2) for crops. All major crops benefit from eCO2, most of them dramatically.

It's long-settled science. In fact, the benefits of eCO2 for crops have been known to science for >100 yrs.sealevel.info/learnmore.html…
Read 6 tweets

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