klima_memes, to China German
@klima_memes@mastodon.social avatar

Wenn wir in angeblich "wenig" zum beitragen, was sollen die ca. 190 Länder "hinter uns" sagen, die also noch weniger als D emittieren? All diese Länder verursachen zusammen mehr als & zusammen.
Es bleibt dabei: ist ein Projekt und funktioniert nur wenn ALLE mitmachen. Und ‒ manchen mag das jetzt überraschen ‒ dazu gehört auch Deutschland.

c_9, to climate
@c_9@mstdn.ca avatar

Holy crap. In the EU, fuel consumption monitoring devices are required on new cars. They studied over 10% of all cars sold in 2021 and turns out they use way more fuel, and generate way more CO2, than anybody thought. Nearly a quarter more. Plug-in Hybrids do poorly too.

This means our projections about getting cars off the road for the climate crisis is hugely undercounting the effects. More rail, more e-bikes, more electric, faster.


https://mastodon.ie/@sinabhfuil/112138746226813931

bmdv, to Futurology German
@bmdv@social.bund.de avatar

Wie können wir im Verkehr einsparen? 🤔 Unter anderem, indem wir den von großen & schweren Gütern weg von der Straße aufs Wasser verlagern. 🚢

💡 Mit der Förderung von Großraum- und Schwertransporten auf Binnenschiffen werden genau dafür Anreize gesetzt.

bmdv,
@bmdv@social.bund.de avatar

Wasserstraßen haben großes Potenzial für den Großraum- und Schwertransport. So werden unsere Straßen & Autobahnen entlastet, weil für die Transporte weniger -Fahrten benötigt werden. Damit wird auch enorm viel eingespart.

Mehr Infos auf: https://www.elwis.de/DE/Service/Foerderprogramme/Grossraum-und-Schwertransporte/Grossraum-und-Schwertransporte-node.html

br00t4c, to random
@br00t4c@mastodon.social avatar
mascottus, to random French
@mascottus@veganism.social avatar

Vert a sorti son poster sur les ordres de grandeur, pour émissions de , dans l'.
https://vert.eco/articles/les-champs-des-possibles-le-poster-de-vert-sur-lagriculture

destatis, to random German
@destatis@social.bund.de avatar

Der nahm 2021 mit seinem gesamten Ökosystem gut ein Viertel mehr auf als noch im Vorjahr, als umgerechnet 41,7 Millionen Tonnen CO2 absorbiert wurden. Unsere zum Tag des Waldes: https://destatis.de/DE/Presse/Pressemitteilungen/Zahl-der-Woche/2024/PD24_12_p002.html#ForestDay

bortzmeyer, to random French
@bortzmeyer@mastodon.gougere.fr avatar

Vallaud-Belkacem a 46 ans. Il n'y a donc pas besoin d'être agé·e pour être un·e vieux·ieille con·ne.
https://www.bfmtv.com/tech/vie-numerique/trois-gigas-par-semaine-najat-vallaud-belkacem-appelle-a-rationner-internet_AV-202403180533.html

SuperPieton,
@SuperPieton@mstdn.social avatar

@bortzmeyer

Le c'est 4% des émissions mondiale de . Autant que tous les camions en circulation.

Donc ce quota est peut-être ridicule, mais à un moment donné, si on veut être sérieux sur la problématique , il va falloir agir autrement qu'en renvoyant systématiquement la responsabilité à d'autres.

arstechnica, to random
@arstechnica@mastodon.social avatar

Redwoods are growing almost as fast in the UK as their Californian cousins

New study finds that giant sequoias add 70 cm of height and store 160 kg of carbon per year.

https://arstechnica.com/science/2024/03/redwoods-are-growing-almost-as-fast-in-the-uk-as-their-californian-cousins/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social

HistoPol,
@HistoPol@mastodon.social avatar

@conditional_soup @arstechnica


(2/n)

...on its use (cattle or not)

"The net in grasslands worldwide intensified over the last century (Fig. 2), mainly driven by North ,
and ."

"However, climate change drivers contributed a net carbon sink in soil organic matter, mainly from the
increased productivity of grasslands due to increased and deposition.

"In contrast, grasslands globally have...

HistoPol,
@HistoPol@mastodon.social avatar

@conditional_soup @arstechnica


(3/3)

...persistently absorbed from the , resulting in an increase in soil ."
//

bones0, to Youtube German
@bones0@chaos.social avatar
mattotcha, to climate
@mattotcha@mastodon.social avatar
br00t4c, to random
@br00t4c@mastodon.social avatar

In First, Rich Nations Cut CO2 4.5% in '23 but still Grew, as Coal fell to 1900 Levels

https://www.juancole.com/2024/03/first-nations-levels.html

aligyie, to solar
@aligyie@digitalcourage.social avatar
scinexx, to random German
@scinexx@nrw.social avatar

scinexx.de
Mittelgebirge sind überraschend gute CO2-Senken. Ihre Verwitterung bindet mehr CO2 als die zerklüfteten Hochgebirge.
https://www.scinexx.de/news/geowissen/mittelgebirge-sind-ueberraschend-gute-co2-senken/

mohnisht, to random

I’ve always been interested in monitoring indoor Air Quality. I think the itch to monitor indoor Air Quality grew over the years as the wild fires started getting worse, here in California. I even have a dedicated Watch (Apple) face that includes the Air Quality Index (AQI) complication.

Indoor Air Quality

Monitoring air quality typically includes monitoring Carbon dioxide (CO2), Particulate Matter (PM2.5 – represents particles that <= 2.5 microns in diameter), Temperature, Humidity, and Total Volatile Organic Compounds (TVOC). Some monitors include a few other stats, but these are more common.

There are many monitors available online that monitor these. Most of them are either bulky, wired, fugly, or just inaccurate.

After some research, earlier this year, I found 2 very good indoor air quality monitors.

One is from Awair, called the Element. It monitors all of the above, but it’s wired. Even though it looks cool, it’s slightly bigger than what I wanted. So, I went with the other one that I liked, the SAF Aranet4 Home.

This one is wireless, replaceable battery operated (2 AAs), has a cool E Ink display but it doesn’t include PM2.5/TVOC monitoring. It’s apparently quite accurate and the best part is that it’s tiny.

https://i0.wp.com/iam.mt/wp-content/uploads/2024/03/IMG_7528.png?resize=768%2C1024&ssl=1My palm for reference.The moment I switched it ON, I was shocked at the initial reading!

https://i0.wp.com/iam.mt/wp-content/uploads/2024/03/camphoto_1932422408.jpg?resize=856%2C1024&ssl=1The first reading at my place.To give you context on why this value is shocking, here’s list of the expected CO2 levels –

420 ppm – fresh outdoor air

< 1000 ppm – indoors

1000 ppm to 1400 ppm – brain cognitive function decreases by 15%

> 1400 ppm – brain cognitive function decreases by 50%

CO2 levels are expressed in ppm – parts per million

So yeah, I was shocked to know we were living in conditions where we had 50% less brain cognitive function. Maybe this explains all the dumb shit I do ☺️

One way I could think of lowering this number was by improving ventilation and that’s by opening up the windows and doors. This improved the CO2 level very quickly. After monitoring it for a couple of days, I’ve gathered the CO2 data and how proper ventilation affects the value.

Green to Red

https://i0.wp.com/iam.mt/wp-content/uploads/2024/03/IMG_7520.png?resize=472%2C1024&ssl=1Closed the windows @ 22:30https://i0.wp.com/iam.mt/wp-content/uploads/2024/03/IMG_7521.png?resize=472%2C1024&ssl=1Peak CO2The above is data from my bedroom, with two people sleeping (no, I don’t go to bed at 22:30, I just closed the bedroom windows at that time).

Red to Orange and then to Green

https://i0.wp.com/iam.mt/wp-content/uploads/2024/03/IMG_7522.png?resize=472%2C1024&ssl=1Opened the windows at 11:00https://i0.wp.com/iam.mt/wp-content/uploads/2024/03/IMG_7523.png?resize=472%2C1024&ssl=1The moment CO2 dropped to < 1000https://i0.wp.com/iam.mt/wp-content/uploads/2024/03/IMG_7524.png?resize=472%2C1024&ssl=1Green readings while the windows were openThis morning, I opened the bedroom windows at 11:00. As you can see from the above graphs, it took about 55 mins for the CO2 levels to drop from 1670 ppm to 999 ppm.

The green region shows an uptick and that’s because I moved the monitor into the hall. Opening bedroom windows seemed to lower the overall indoor CO2.

Possible ways to improve indoor CO2/Air Quality

There are a number of solutions to fix different aspects of indoor air quality.

  1. Improving ventilation – Simplest way is to open the windows and balcony/patio doors to let the air circulate around. I’ve been using this technique and it has been working wonders.
  2. Air Purifier – These are not cheap, at least the good ones. These are great when the outside air quality is poor or during winters, when you can’t really open your windows while it’s cold outside.
  3. Indoor Plants – Plants need CO2 to function. Naturally, these are great to help improve indoor CO2 levels.
  4. Replace AC’s Air filters – Replace air filters to improve your indoor air quality.

I suspect my home AC’s air filters. They might need to be replaced. I will monitor the data from my sensor for another week and see if it indeed does require a replacement. I will report back my findings soon.

In the past, I tried using a PM2.5 monitor with my Raspberry Pi. It worked wonders but having the Pi run all the time seemed like a hassle for this use case.

https://iam.mt/emphasizing-indoor-air-quality/

solarpapst, to China
@solarpapst@social.anoxinon.de avatar

"Aber ..."
Jeder Chinese emittiert genauso viel wie ein Deutscher - nicht mehr und nicht weniger.

brunus, to science French
@brunus@mamot.fr avatar
  • Dessaler de l'eau de mer
  • Produire de l'hydrogène qui servira de carburant
  • Éliminer du CO2 (en le stockant)
  • Augmenter la capacité de l'océan à stocker du CO2...

Du coup on va pouvoir recréer des mammouths d'ici 2028 et iels n'auront pas trop chaud ! \o/

https://sciencepost.fr/plus-grande-usine-oceanique-elimination-co2-en-cours-de-construction/

enobacon, to ebikes
@enobacon@urbanists.social avatar

"Finally, we find that even when incentive programs are designed cost-effectively, the costs per ton of reduced still far exceed those of alternatives or reasonable social costs of GHG emissions. We conclude that the argument for allocating public funds for e-bike incentive programs must be based on the co-benefits of e-bike travel and ownership, and not solely on GHG reduction" (like the 40k/yr people killed with cars, injuries, asthma & sedentary diseases)

https://www.sciencedirect.com/science/article/abs/pii/S1361920924000713

Sustainable2050, to climate
@Sustainable2050@mastodon.energy avatar

Atmospheric CO2 at Mauna Loa made a huge year-on-year jump in February!
+4.25 ppm to over 424.5 ppm.

g4T, to random German
@g4T@mastodon.social avatar
HistoPol,
@HistoPol@mastodon.social avatar

@g4T @jnfrd

(1/n)

Ich habe mir nun auch den englischen Wiki-Eintrag über durchgelesen. Dort steht:

"In 👉1856👈 she published a paper notable for demonstrating the absorption of heat by and water vapor and hypothesizing that changing amounts of CO2 in the would alter the . It was 👉the first known publication in a scientific journal by an American woman in the field of physics.👈"

Und:

" died...

https://en.wikipedia.org/wiki/Eunice_Newton_Foote?wprov=sfla1

HistoPol, (edited )
@HistoPol@mastodon.social avatar

@g4T @jnfrd

(3/n)

...beruhte, ist somit eher unwahrscheinlich.

Beim Eintrag von findet man:

"Later he made discoveries in the realms of infrared radiation and the physical properties of air, proving the connection between and what is now known as the 👉 in 1859👈."

Wissenschaftliche Veröffentlichungen können, v.a. nicht im 19. Jahrhundert, als allgemein
...

HistoPol, (edited )
@HistoPol@mastodon.social avatar

@g4T @jnfrd

(4/n)

...bekannt vorausgesetzt werden. Und darum ging es ja.
Somit kann die Zeitung zwischen 1859 und 1910 erschienen sein.

Ebenso bahnbrechend waren die Forschungen des späteren schwedischen |s für ,:

"Debates in the [ about "Cosmic Physics, i.e.] concerning the causes of the |s led 👉 to construct...

HistoPol,
@HistoPol@mastodon.social avatar

@g4T @jnfrd

(5/n)

...the first climate model of the influence of ()👈, published in The Philosophical Magazine 👉in 1896👈.

The general rule that emerged from the model was that 👉if the quantity of increases or decreases in geometric progression, temperature will increase or decrease nearly in arithmetic progression👈.

Linking the calculations of his abstract model to natural processes, ...

HistoPol,
@HistoPol@mastodon.social avatar

@g4T @jnfrd

(6/6)

... estimated the effect of the burning of fossil fuels as a source of atmospheric CO2.
👉He predicted that a doubling of CO2 due to fossil fuel burning alone would take 500 years and lead to temperature increases of 3 to 4 °C (about 5 to 7 °F)👈.
This is probably what has earned Arrhenius his present reputation as the first to have provided a model for the effect of industrial activity on ."
//

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