Interested in science, low impact living, growing food, natural building. Vegan, atheist, naturist. Cycle 3,000 miles/yr. He/him. English. šŸ³ļøā€šŸŒˆšŸ³ļøā€āš§ļø

Joined November 2008
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Pinned Tweet
8 Nov 2017
Replying to @RogerHelmerMEP
We are responsible for all global warming since 1950, primarily from our greenhouse gas emissions. More importantly, 'business as usual' takes us far outside the range of climate to which human civilisation is adapted. This is reckless & irresponsible. We must enact mitigation.
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icarus62 retweeted
The rate of sea level rise has doubled in the last 20 years as climate change accelerated. Just over half of it is down to melting ice, almost all the rest due to ocean water expanding as it warms up. sciencealert.com/sea-level-r…
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icarus62 retweeted
Bjorn does this every anniversary: grab Gore's two most over-aggressive lines, wave them around, and pretend the thesis collapsed. The thesis was "COā‚‚ warms the planet and it gets worse from here." Twenty years on, the 11 hottest years ever recorded are the last 11. 2024 was the first calendar year past 1.5°C. Arctic ice, glacier loss, ocean heat: all tracking right where the science said, some of it faster. Even your own side's reviewers admit Gore got the core right. The "panic vs. innovation" line is the tell. The innovation actually cutting emissions - solar and wind, now the cheapest electricity in human history, undercutting new coal and gas - is the exact thing you spent two decades calling a costly waste. You're doing a victory lap for the win you stood in front of. And "disaster deaths fell" isn't the flex you think it is. Death rates dropped because we built seawalls and warning systems - adaptation, the expensive kind.
20 years ago, An Inconvenient Truth put climate change at the center of global debate, shaping politics, influencing leaders, and inspiring a generation of activists. Two decades later, we can assess not just its impact, but its accuracy. Many of the film’s most alarming predictions did not materialize, while many of the policies it inspired have proven costly and ineffective. The lesson? Panic is a poor guide for public policy. Focusing on innovation, adaptation, and economic development can do far more to help both people and the climate—at a fraction of the cost. financialpost.com/opinion/bj…
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icarus62 retweeted
You cited NASA satellites, so let's hold you to them. That same altimetry record shows sea level rise isn't "steady 3mm/year." The rate has roughly doubled, from about 2.1mm/year in 1993 to about 4.5mm/year now, and the acceleration is measured, not projected. When your own source contradicts your headline claim, the rest of the thread answers itself.
Let’s zoom out and look at what the climate movement is actually asking of us. They’re asking us to dismantle the fossil fuel energy system that has produced the greatest abundance in human history. Because of a byproduct called CO2—a plant food that NASA satellites show has contributed to 50% more green cover across the globe. All because of a fear that extreme weather like droughts, hurricanes, and flooding will get worse, sea-levels will rise steeply, and crops will suffer. But the empirical data from the last 40 years shows none of that is actually happening. Crop yields are at record highs, extreme weather shows no change, and sea-level is rising at a steady 3mm/year. Still, the argument goes, maybe someday in the future things could get worse. So we need to spend trillions transitioning off reliable, abundant, energy-dense fossil fuels onto unreliable, land-hungry technologies like solar and wind. We have to do this with taxpayer money. Not because voters chose it—but because governments are mandating it. And here’s the kicker: it won’t even work. The countries adopting net-zero goals represent a fraction of global emissions. China and India are still developing fossil fuels as fast as they can—and cheap energy is pulling our manufacturing straight to them. Every country that guts its fossil fuel infrastructure will make itself poorer, hollow out its industrial base, and kill jobs—while global emissions keep rising. Oh, and because solar and wind are intermittent, we still need backup gas and oil infrastructure on standby for when the wind stops blowing or the sun stops shining. So we’re paying for both systems. And nuclear—the most energy-dense, reliable, zero-emission power source we have—is also off the table. Did I get that right?
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icarus62 retweeted
Good, you're citing NASA. Now read the actual title of that study: "CO2 is making Earth greener, for now." The "for now" is doing real work, because the fertilization effect runs into water and nutrient limits and is already slowing. And here's what the press release skips: the same extra CO2 that adds leaves also pulls protein, iron, zinc and B vitamins out of staple crops like wheat and rice, the crops billions of people rely on for those nutrients. More foliage, thinner nutrition. That's not the win you're presenting it as.
'Carbon Dioxide Fertilization Greening Earth, Study Finds' "From a quarter to half of Earth’s vegetated lands has shown significant greening over the last 35 years largely due to rising levels of atmospheric carbon dioxide, according to a new study published in the journalĀ Nature Climate ChangeĀ on April 25 An international team of 32 authors from 24 institutions in eight countries led the effort, which involved using satellite data from NASA’s Moderate Resolution Imaging Spectrometer and the National Oceanic and Atmospheric Administration’s Advanced Very High Resolution Radiometer instruments to help determine the leaf area index, or amount of leaf cover, over the planet’s vegetated regions. The greening represents an increase in leaves on plants and trees equivalent in area to two times the continental United States"
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icarus62 retweeted
Theists' false beliefs have real world consequences. At best they hold back science, deceive people about how reality works, encourage gullibility etc. At worst they teach people to hate, persecute and kill. Let's just bin religion altogether.
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icarus62 retweeted
Some people are questioning legitimacy of temperature targets - and not breaching them recklessly. 1.5 °C, 2°C above pre-industrial... etc. So here is some background, why any increment in global pemeterature brings more irreversible risks to planetary systems. It is 10 years old.
Replying to @Lacertko
So what? Why not 1.6 or 2.5 degs? Yes, it seems there is some slight warming of the Earth but why get so worked up over it? Are you saying we couldn't live happily with temperatures 2 degs warmer in a hundred years?
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Do our politicians act like they are properly aware that their actions today are changing climate on Earth for thousands of years to come? Do they have sleepless nights and intensive exchange with experts over this huge responsibility?
We are in the Age of Humans - the Anthropocene. Our new article (open access) shows how even with a moderate future emissions scenario, global temperature will still be elevated by 3-4°C in the year 3000! Lifetime of our CO2 in the air is that long. agupubs.onlinelibrary.wiley.…
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icarus62 retweeted
Today is World Ocean Day and our oceans are being bombarded by all kinds of threats like pollution, over-fishing, acidification, etc… But as a meteorologist, I’ll discuss the rapid warming! We often focus on air temperatures. But the real story is in the oceans. More than 90% of the excess heat trapped by greenhouse gases is retained in the ocean. Each year a new assessment is released, and in 2025 the world’s oceans gained an astounding 23 zettajoules (ZJ) of heat. In relatable terms that’s equivalent to: 🌊 37 years of humanity’s current annual energy consumption 🌊 About 380 million Hiroshima-sized atomic bombs worth of energy 🌊 More than 200 times the world’s annual electricity generation And that’s just one year! Why does this matter? Warmer oceans can fuel marine heatwaves, coral bleaching and death, sea level rise through thermal expansion, contribute to bigger land heatwaves, and provide more energy for heavy rainfall and tropical cyclones. Ocean warming also stresses marine ecosystems that support fisheries, biodiversity, and coastal economies around the world. The ocean has shielded us from much greater atmospheric warming by absorbing the vast majority of Earth’s excess heat. But that protection comes with growing consequences for ocean health. On this World Ocean Day, it’s worth remembering that the ocean is not just responding to climate change, it’s bearing the brunt! We must protect our oceans. #WorldOceanDay #Ocean #Climate #OceanHeat #ClimateChange Paper link in 🧵
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icarus62 retweeted
Replying to @Clarsonimus
Wrong. Earth's geological record shows that CO2 was (and still is) a major driver of temperture. "A 485-million-year history of Earth’s surface temperature" Judd et al 2024 science.org/doi/10.1126/scie… "Atmospheric CO2 exerts a dominant control on GMST, both today and in the geologic past" WAPO interview article with Judd et al archive.is/h8qhn#selection-1… "swift and dramatic temperature shifts were associated with many of the world’s worst moments — including a mass extinction that wiped out roughly 90 percent of all species and the asteroid strike that killed the dinosaurs." ā€œWe know that these catastrophic events … shift the landscape of what life looks like,ā€ Judd said. ā€œWhen the environment warms that fast, animals and plants can’t keep pace with it.ā€ "At no point in the nearly half-billion years that Judd and her colleagues analyzed did the Earth change as fast as it is changing now, she added: ā€œIn the same way as a massive asteroid hitting the Earth, what we’re doing now is unprecedented.ā€
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icarus62 retweeted
Mate, did you skip Grade 5 science class?šŸ˜‚ The understanding of CO2 & the 'greenhouse' effect goes back to the 1800s. It's textbook physics confirmed by mountains of observational evidence. See a free online version of Prof Weart's textbook : "The Discovery of Global Warming" history.aip.org/climate/co2.…

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icarus62 retweeted
Replying to @RogerPielkeJr
20 years ago it wasn't so fucking obvious how much we are warming the planet. How many more decades of continuous rapid warming of the planet before you wake up and believe the climate scientists? 1? 2? 3??
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icarus62 retweeted
Replying to @niusde_ @FPerrefort
Al Gore isn't a scientist. There’s over 34,000 cited published research papers from scientists in just the last IPCC AR6 2021 report alone. There’s not even one ā€œskepticā€ paper that has ever successfully refuted ANY of the science. "The cumulative scientific evidence is unequivocal that human activities, principally through emissions of greenhouse gases, have caused global warming"- IPCC AR6 2021 "Indicators of Global Climate Change 2025: annual update of key indicators of the state of the climate system and human influence" essd.copernicus.org/preprint… ipcc.ch/report/sixth-assessm…
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icarus62 retweeted
The record-breaking freight train of warmth that has crossed the undersea Pacific since April is now arriving on the shores of Peru, forming El Niño Costero. That has caused summer-like temperatures in Lima, despite it being the start of winter, shares @hombredeltiempo 🧵
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On two separate occasions women have said to me "I feel very safe with you" and it's hard to imagine a bigger compliment.
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Das kann man nur krass unverantwortlich nennen. Die US-Regierung will nicht, dass die Menschen wissen, was die fossilen Emissionen in unseren Meeren anrichten. Als wƤren die Klimafolgen weg, wenn man sich die Augen zuhƤlt. t-online.de/nachrichten/ausl…
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I'm afraid that this is why the US administration wants to shut down ocean observations: they don't want the people to know what is happening in our oceans, as it does not fit their ideology and the interests of their fossil fuel industry funders. edition.cnn.com/2026/06/03/c…
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icarus62 retweeted
Replying to @bootcanyon
You can lead a horse to water, but... x.com/ryankatzrosene/status/…

Replying to @bootcanyon
For the umpteenth time, Al, changes in Total Solar Irradiance are not the cause of modern global warming. Over the last 80 years, Monthly mean temperatures are trending up. Monthly TSI is trending down. Please... give it a rest.
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icarus62 retweeted
I believe that Stalin's spokesperson said the same thing when asked about science policy changes under Lysenko's leadership: #ScienceUnderSiege
"Trump Administration to Dismantle Ocean Monitoring System -- The $368 million network of instruments collecting data in both the Atlantic and Pacific has been critical to climate and ocean research" | @eniiler for the @NYTimes: nytimes.com/2026/06/01/clima…
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