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A cost-effective, scalable & available solution to reduce the #climate impact of flying?

Yes please. https://blog.google/technology/ai/ai-airlines-contrails-climate-change/

Contrails - those thin, white lines behind airplanes - account for ~35% of aviation's #ClimateChange impact.

New research reveals how #AI & satellite imagery can help us reduce their warming effects.


How AI is helping airlines mitigate the climate impact of contrails

We used AI to help airlines choose routes that are less likely to cause contrails, minimizing the environmental impact of flights.
Carl Elkin (Google)
#AI #climatechange #Climate
in reply to Sheril Kirshenbaum

Wyatt H Knott
Wyatt H Knott
• •
I really couldn't believe the water vapor was that much of a problem... until I tried to balance the equation.
C12H26 + C15H32 + (~60)O2 --> (12)CO + (15)CO2 + (~40)H2O
which certainly isn't right, but did give me an idea of the ratio of oxygen in to water out.
(Prob not quite that high if we add in the NOx products.)
Interesting.
in reply to Sheril Kirshenbaum

Barry Goldman
Barry Goldman
• •
its funny how people worry aobut the wrong things, i.e. re: contrails and all the fringe nonsense about them.
in reply to Sheril Kirshenbaum

PJT North
PJT North
• •

Referencing Jet Contrails:

They are only indicative of the waste heat from the expanding gas combustion exhaust and its reaction products from jet engines impacting high altitude humidity / ice etc.

Eliminating that waste heat and the combustion products would provide a solution for the issue for certain at least in my opinion.

in reply to Sheril Kirshenbaum

Guyamrllg
Guyamrllg
• •
this raises my greenwashing alert flag. Seriously, they're diverting from the actual problem, which is CO2 emission. How did they get this figure on the heating impact of vapor? Even if that is correct at time t, how long does a water chemtrail stay in the atmosphere, compared to CO2? What's the point of taking detours to minimize those?
in reply to Sheril Kirshenbaum

scbarton
scbarton
• •
I try to get excited about these very significant advances, but then I remember that airline passenger miles are expected to double by 2050. https://theicct.org/global-aviation-airline-traffic-jan22/

Polishing my crystal ball: Airline traffic in 2050 - International Council on Clean Transportation

Examines various long-term passenger traffic projections and how they impact aviation decarbonization roadmaps
Gary Gardner (International Council on Clean Transportation)

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