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Leon Simons 🌍

@LeonSimons8 • 42,937 subscribers

Host of Climate Chat | Plain climate science & DATAVIZ | Mission: To Understand and Protect the Home Planet

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Tipping Point from the Stable Climate at ~280 ppm CO₂ (Holocene, during past 10,000 years) to a Stable Hothouse Climate at 560 ppm CO₂. We already at 560 ppm CO₂ equivalent and will likely hot (and pass) 560 ppm CO₂ later this century. Simplified graph, adapted from KNMI.

Tipping Point from the Stable Climate at ~280 ppm CO₂ (Holocene, during past 10,000 years) to a Stable Hothouse Climate at 560 ppm CO₂. We already at 560 ppm CO₂ equivalent and will likely hot (and pass) 560 ppm CO₂ later this century. Simplified graph, adapted from KNMI.

125,813 次观看

The next two years will make the 2023-2024 El Niño look like a walk in the park. We'll get a first glance into how resilient humanity is to a post ΔT +1.5°C world.

The next two years will make the 2023-2024 El Niño look like a walk in the park. We'll get a first glance into how resilient humanity is to a post ΔT +1.5°C world.

37,920 次观看

For those needing a reminder that 365 days of continuous record shattering of an ocean area covering 40 million square kilometers doesn't usually happen, see this:

For those needing a reminder that 365 days of continuous record shattering of an ocean area covering 40 million square kilometers doesn't usually happen, see this:

91,244 次观看

Watch until the end. This is an ocean area of about 40 million square kilometers. It takes >3000 times as much heat to warm water than it does for the same volume of air! The North Atlantic Sea Surface Temperature Anomaly: 🌊🌡📈

Watch until the end. This is an ocean area of about 40 million square kilometers. It takes >3000 times as much heat to warm water than it does for the same volume of air! The North Atlantic Sea Surface Temperature Anomaly: 🌊🌡📈

58,441 次观看

Pieter Omtzigt Onvoorstelbaar dat zo veel mensen op zo'n labiele vent hebben gestemd. Je helpt alles naar de kloten, gaat op vakantie, komt terug om te zeggen dat we ons moeten voortplanten om de omvolking tegen te gaan en houdt het dan weer voor gezien.

Pieter Omtzigt Onvoorstelbaar dat zo veel mensen op zo'n labiele vent hebben gestemd. Je helpt alles naar de kloten, gaat op vakantie, komt terug om te zeggen dat we ons moeten voortplanten om de omvolking tegen te gaan en houdt het dan weer voor gezien.

24,541 次观看

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"This can't be" "This can't be true" "Acapulco has been destroyed"

"This can't be" "This can't be true" "Acapulco has been destroyed"

Leon Simons 🌍

2,572,885 次观看 • 2 年前

It's been quite something to see one of the world's leading climate scientists, James Hansen, being vilified the past six years for presenting data showing the rapid acceleration of global and regional warming, associated with continued greenhouse gas emissions and rapid reduction of (dimming) particulate air pollution. Loud voices in the climate community ignore the actual science and constantly use cherry-picking, strawmann arguments and ad hominems to try and deny the undeniable. Pretending that we have been exaggerating, while it's likely even worse than we feared (again, based on data). False hope and vested interests will get a lot of people killed, as it has for centuries.

It's been quite something to see one of the world's leading climate scientists, James Hansen, being vilified the past six years for presenting data showing the rapid acceleration of global and regional warming, associated with continued greenhouse gas emissions and rapid reduction of (dimming) particulate air pollution. Loud voices in the climate community ignore the actual science and constantly use cherry-picking, strawmann arguments and ad hominems to try and deny the undeniable. Pretending that we have been exaggerating, while it's likely even worse than we feared (again, based on data). False hope and vested interests will get a lot of people killed, as it has for centuries.

Leon Simons 🌍

476,885 次观看 • 9 个月前

Today I was asked why I don't join in blocking traffic to demand more climate action, knowing what I know. I just don't feel like I could compete with this:

Today I was asked why I don't join in blocking traffic to demand more climate action, knowing what I know. I just don't feel like I could compete with this:

Leon Simons 🌍

1,218,277 次观看 • 3 年前

❄️🏂⛷️ People in Europe enjoying winter.

❄️🏂⛷️ People in Europe enjoying winter.

Leon Simons 🌍

750,870 次观看 • 2 年前

Have they tried punching or kicking the water? That works great with protesters. 🤦‍♂️

Have they tried punching or kicking the water? That works great with protesters. 🤦‍♂️

Leon Simons 🌍

442,500 次观看 • 3 年前

Parts of Vietnam received a record 1,730 liters of rain per square meter in 24 hours 🤯

Parts of Vietnam received a record 1,730 liters of rain per square meter in 24 hours 🤯

Leon Simons 🌍

148,704 次观看 • 10 个月前

'You wanna hear something crazy?' Joe Rogan learned about our research. I have some notes:

'You wanna hear something crazy?' Joe Rogan learned about our research. I have some notes:

Leon Simons 🌍

87,263 次观看 • 10 个月前

Global warming has accelerated. On Climate Chat we explain why, mainly with observation-based data:

Global warming has accelerated. On Climate Chat we explain why, mainly with observation-based data:

Leon Simons 🌍

63,284 次观看 • 7 个月前

🚨 None of the United Nations IPCC models capture what NASA satellites are seeing. We should assume and prepare for the worst, as there is a non-zero chance of 3°C of global warming by 2050. We better assume that it will happen and/or try to make sure that it doesn't happen. 1/

🚨 None of the United Nations IPCC models capture what NASA satellites are seeing. We should assume and prepare for the worst, as there is a non-zero chance of 3°C of global warming by 2050. We better assume that it will happen and/or try to make sure that it doesn't happen. 1/

Leon Simons 🌍

54,988 次观看 • 11 个月前

ΔT +1.5°C🌡📈 I'm being asked to be more nice about addressing the fallacy that we are still a decade away from crossing 1.5°C. I'll just let the Mann himself explain how shifting baselines work:

ΔT +1.5°C🌡📈 I'm being asked to be more nice about addressing the fallacy that we are still a decade away from crossing 1.5°C. I'll just let the Mann himself explain how shifting baselines work:

Leon Simons 🌍

105,525 次观看 • 2 年前

This is what sea level rise will look like. Many will watch helplessly how their coast erodes. Increasing global sea level causes long term risks. Short term risks come from changing weather paters and more extreme events like stronger waves and storms.

This is what sea level rise will look like. Many will watch helplessly how their coast erodes. Increasing global sea level causes long term risks. Short term risks come from changing weather paters and more extreme events like stronger waves and storms.

Leon Simons 🌍

128,458 次观看 • 3 年前

This is such a great visualization of the carbon cycle and of how humanity has completely altered it within a geological instant:

This is such a great visualization of the carbon cycle and of how humanity has completely altered it within a geological instant:

Leon Simons 🌍

95,828 次观看 • 2 年前

We had a great Climate Chat about the temperatures of the past years, the causes, and about what's next, as warming has accelerated. Here I explain how 130,000 years of greenhouse gas and aerosol forcing impacted our climate. Using estimates from Global warming in the pipeline

We had a great Climate Chat about the temperatures of the past years, the causes, and about what's next, as warming has accelerated. Here I explain how 130,000 years of greenhouse gas and aerosol forcing impacted our climate. Using estimates from Global warming in the pipeline

Leon Simons 🌍

53,698 次观看 • 1 年前

Here I go into the causes and effects of the accelerating warming of our planet. -Fossil fuels -Sulphur -Earth's Energy Imbalance -Sea Surface Temperatures -El Niño starting -Protests and fighting. -60,000 deaths in Europe -Farmers cancer risks -Benjamin Netanyahu - בנימין נתניהו's dehydration -..

Here I go into the causes and effects of the accelerating warming of our planet. -Fossil fuels -Sulphur -Earth's Energy Imbalance -Sea Surface Temperatures -El Niño starting -Protests and fighting. -60,000 deaths in Europe -Farmers cancer risks -Benjamin Netanyahu - בנימין נתניהו's dehydration -..

Leon Simons 🌍

80,173 次观看 • 3 年前

It baffles me that the only president to ever speak publicly about the increased warming from reduced sulfur emissions was George W. Bush. On 6/11/2001. Scientists, journalists and policy makers keep hiding the truth because they believe the public can't handle it.

It baffles me that the only president to ever speak publicly about the increased warming from reduced sulfur emissions was George W. Bush. On 6/11/2001. Scientists, journalists and policy makers keep hiding the truth because they believe the public can't handle it.

Leon Simons 🌍

43,030 次观看 • 2 年前

Every word of the title on the front page of de de Volkskrant newspaper was wrong! Q: Are you the UN climate panel (IPCC)?: A: "No, not at all, the journalist got this wrong" And somewhat lower emissions can still lead to very high warming and a "disaster scenario":

Every word of the title on the front page of de de Volkskrant newspaper was wrong! Q: Are you the UN climate panel (IPCC)?: A: "No, not at all, the journalist got this wrong" And somewhat lower emissions can still lead to very high warming and a "disaster scenario":

Leon Simons 🌍

12,192 次观看 • 4 个月前

Your periodic reminder that 'Don't look up' 🎬 is a documentary. It covers the (criminal!) gross negligence of politicians, media, AND scientists when facing a global existential threat. Remember: "People don't vote on climate" "Let's end with something positive!" "The truth is bad enough"

Your periodic reminder that 'Don't look up' 🎬 is a documentary. It covers the (criminal!) gross negligence of politicians, media, AND scientists when facing a global existential threat. Remember: "People don't vote on climate" "Let's end with something positive!" "The truth is bad enough"

Leon Simons 🌍

13,450 次观看 • 5 个月前

☀️🌍🔥📈 The real causes and effects of climate change summarized in 4.5 minutes! Top Canadian YouTuber Canadian Prepper did a great job summarizing the forces at play to a broad audience. See our longer conversation in the link below.

☀️🌍🔥📈 The real causes and effects of climate change summarized in 4.5 minutes! Top Canadian YouTuber Canadian Prepper did a great job summarizing the forces at play to a broad audience. See our longer conversation in the link below.

Leon Simons 🌍

34,441 次观看 • 2 年前