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Leon Simons 🌍

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@LeonSimons8

Host of Climate Chat | Plain climate science & DATAVIZ | Mission: To Understand and Protect the Home Planet
On a rapidly changing planet youtube.com/@climatechat Joined September 2010
1.4K Following 43K Followers 39K Posts

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Leon Simons 🌍 Verified account @LeonSimons8
This might be the year everything changes, as those who don't count joules and radiative fluxes are too starting to feel the heat from reducing air-pollution.

Many great scientists have tried to inform on this in the past decades (e.g. James Hansen, James Lovelock, Paul Crutzen and Veerabhadran Ramanathan).

Policy makers and media have paid very little attention so far.

This was the reason for me to start using my largely dormant Twitter account 3.5 years ago. To create awareness about rapid warming from rapidly reducing air pollution.

There's mainly been a small crowd of 'climate doomers' and slightly anoyed climate scientists to interact with.

In the past months this changed, as the additional accumulating heat is starting to surface.

My amount of followers has tripled, the graphs we make receive millions of views and media around the world are paying attention.

This is bigger than any one of us. We need specialized scientists to assess what this means for changes to monsoon systems, others that look at how ocean and atmospheric currents (might) change and how that could impact melting ice and sea level rise.

We need politicians, legal experts and social scientists to learn what is at stake and debate the effects of unintentional and intentional emissions on climate, not just health and the environment.

There are no easy choices in this.

How much warming will the world except? And how fast can the rate of warming be until we are unable to adapt?

When will we learn how high our dikes really need to be?

How extreme will droughts get?

How many people will lose their homes and need to move to greener pastures? Be it a locally overflowing refugee camp or to another country?

Will we have the stability of global governance to face these accumulating challenges?

Uncertainties are very large, which might be the main problem.
We don't know how bad it will get, and anyone who tells you one way or another is lying.

The precautionary principle tells us we have the duty to act.
For ourselves, for our children and for strangers we will never meet.

We are the most adaptable species known to ever have existed.

I believe that with a more thorough understanding of our planet, humanity could become a beneficial force to life on Earth.

If we soon aquire collective will to do so.
Prof. Eliot Jacobson Verified account @EliotJacobson Jun 13, 2023
It cannot be re-stated enough that @LeonSimons8 has been the primary scientific voice pushing the narrative about the impacts of reduced sulfate aerosols on ocean temperatures. I'm grateful to see his tireless efforts finally being discussed by scientists and global media.
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178 replies 758 reposts 2.1K likes 1.3M views View on X
Leon Simons 🌍 Verified account @LeonSimons8
To those at COP31 in Turkey, please don't ignore aerosols.

It's the main driver of regional climate change.
Leon Simons 🌍 Verified account @LeonSimons8 Nov 7, 2024
Aerosols must be included in climate risk assessments

"the impacts of aerosols on climate risk are often ignored. The issue was not on the official agenda of COP27 in Egypt.

This neglect must end."

Aerosols won't be on the agenda of COP 29 either...
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4 replies 15 reposts 52 likes 1.5K views View on X
Leon Simons 🌍 Verified account @LeonSimons8
The account stolen from my friend and colleague Dan Miller has now blocked me and continues phishing.

@X doesn't do anything about it
Leon Simons 🌍 Verified account @LeonSimons8 4d
Please fix this @X,

Dan Miller was the victim of phishing months ago and now his stolen account is being used to connect with other accounts, most likely to send them phishing messages.
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5 replies 8 reposts 39 likes 1.6K views View on X
Leon Simons 🌍 Verified account @LeonSimons8
Ahead of COP31, the @WMO warns:
"Earth’s energy imbalance is increasing"

"The increase in Earth's energy imbalance (EEI) is linked to rising concentrations of greenhouse gases and reductions in aerosol emissions (@DrJamesEHansen et al. 2023 [...]"
2026 is on track to be one of 4 warmest years on record, marked by exceptional global temperatures, melting ice, rising sea levels, and a very strong El Niño that will unleash more heat & extreme weather into 2027.
New WMO #StateOfClimate #COP31 Update
↪️ bit.ly/stateofclimate…
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7 replies 69 reposts 119 likes 3.3K views View on X