Prof. Jean-Pascal van YperseleVerified account

@JPvanYpersele

IPCC Vice-Chair for AR5, climate physicist, Prof UCLouvain, Dedicated to policy-neutral & relevant, assessments of climate issues to advance Humanity

Belgium
climate.be/vanyp
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Joined December 2011
Born April 14
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  1. Pinned Tweet
    20 Jul 2020

    At 7:02 this morning. Message to EU leaders from the top of Mont-Blanc (4810 m) – at Mont Blanc (4810m)

    28 replies 321 retweets 971 likes
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  2. Retweeted
    11 hours ago
    Replying to

    Le GEMS doit publier ses rapports dès qu’ils sont finalisés, comme le fait le GIEC.

    Quels partis politiques vont porter cette proposition ? Chiche ?
    1 retweet 5 likes
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  3. 11 hours ago

    Quels partis politiques vont porter cette proposition ? Chiche ?

    Replying to @GeorgesGilkinet
    Il est grand temps que le GEMS publie ses rapports dès qu’ils sont finalisés, comme le fait le GIEC. Cela aidera à rendre le débat et les décisions plus démocratiques
    2 retweets 17 likes
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  4. Retweeted
    Dec 27

    To safely keep schools open: - masks in class as well as in corridors - serious attention to ventilation/filtration - contact tracing + testing - no indoor singing or performances - no whole-school indoor events - music lessons involving blowing into anything must occur online

    10 replies 948 retweets 3,055 likes
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  5. Retweeted
    12 hours ago
    Replying to

    Il est grand temps que le GEMS publie ses rapports dès qu’ils sont finalisés, comme le fait le GIEC. Cela aidera à rendre le débat et les décisions plus démocratiques

    2 replies 8 retweets 50 likes
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  6. Retweeted
    Dec 27

    R.I.P. E.O. Wilson, eminent naturalist, biodiversity advocate

    We are deeply saddened to share the passing of E.O. Wilson, preeminent scientist, naturalist, author of at 92. "His gift was a deep belief in people and our shared human resolve to save the natural world" - Paula Ehrlich
    3 retweets 2 likes
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  7. Retweeted
    Dec 27

    Pourquoi investir dans l'amélioration de la qualité de l'air dans les écoles ? Parce que cela fonctionne, comme le montre cette étude de terrain du américain où les filtres HEPA ont permis une baisse de 40% des contaminations chez les élèves.

    3 replies 103 retweets 158 likes
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  8. 23 hours ago

    « C'est très clairement un dérèglement d'avoir des températures aussi douces comme ça en hiver et de façon généralisée pendant plusieurs jours. » |

    "C'est très clairement un dérèglement d'avoir des températures aussi douces en hiver", explique un climatologue
    2 replies 10 retweets 41 likes
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  9. Retweeted
    Dec 27

    Much of Bahia, home to about 15 million people, has suffered from intermittent flooding for weeks, after a long drought gave way to record rains. 

    3 retweets 1 like
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  10. Retweeted
    Dec 27

    Unprecedented, there's that word again. This time from NE Brazil, where up to 500 mm of rain fell in 4 days:

    the state of Bahia has 58 cities going through extreme floods, just after trying to recover from the damage made by torrential rain 15 days ago. thousands are homeless, hundreds are injured and many are dead. this is unprecedented in recent history.
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    1 reply 5 retweets 5 likes
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  11. Retweeted
    Dec 27

    And the developed countries couldn't come up with a mere 100 Billion USD they had promised to tackle climate change which is a greater threat to global peace than any local or regional conflict! We are Indeed living in an upside down world!

    Who were the top 10 military spenders in 2020? 1) USA🇺🇸 2) China🇨🇳 3) India🇮🇳 4) Russia🇷🇺 5) UK🇬🇧 6) Saudi Arabia🇸🇦 7) Germany🇩🇪 8) France🇫🇷 9) Japan🇯🇵 10) South Korea🇰🇷 Together they spent $1482 billion, accounting for 75% of global military spending ➡️
    19 replies 191 retweets 394 likes
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  12. Dec 27

    R.I.P. E.O. Wilson, eminent naturalist, biodiversity advocate

    We are deeply saddened to share the passing of E.O. Wilson, preeminent scientist, naturalist, author of at 92. "His gift was a deep belief in people and our shared human resolve to save the natural world" - Paula Ehrlich
    3 retweets 2 likes
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  13. Retweeted
    Dec 24

    📌COVID19 can transmit between people even without each other’s physical presence—in poorly ventilated areas. Case study: infected healthcare worker leaves room they're sleeping in. Two others enter to rest, both get infected. Poor ventilation & no masks:

    63 replies 1,019 retweets 2,054 likes
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  14. Retweeted
    Dec 26

    R.I.P but your words live on

    3 replies 173 retweets 635 likes
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  15. Dec 27

    Strong heatwave in Australia:👇

    In Perth : 35,000 homes blacked out. As at 6am still 11,500 without power. When air-conditioners needed for Sun: Tmax:43.5C, Overnight min 26C Mon (so far): Tmax 39.6C 12:29pm, Overnight min was 25.8C via
    4 retweets 4 likes
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  16. Retweeted
    Dec 26

    Kepler, born 450 years ago today, is best known for his revolutionary discovery of the laws of planetary motion. Unbeknownst to most, he also invented science fiction, which landed his mom in a witchcraft trial, from which he spent 6 years defending her:

    5 replies 71 retweets 219 likes
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  17. Dec 26

    « Finding our way through the climate crisis also requires that we remember how our home planet works — as a linked biological and physical system with a beating, photosynthesizing, rainmaking heart of wild woods.» Tom Lovejoy co-authored this @ COP26:

    5 retweets 8 likes
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  18. Dec 26

    RIP Tom Lovejoy, conservation biologist.

    Tom Lovejoy, a giant in the field of conservation biology, died on Christmas Day, age 80. From
    1 reply 2 retweets 8 likes
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  19. Retweeted
    Dec 25

    RIP Desmond Tutu. He was one of those inspiring us when we were fighting apartheid as students at the end of the 1970’s. Thank you for speaking truth to power!

    Archbishop Desmond Tutu, the Nobel Peace prize laureate who helped end apartheid in South Africa, has died aged 90
    1 reply 2 retweets 28 likes
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  20. Dec 25

    RIP Desmond Tutu. He was one of those inspiring us when we were fighting apartheid as students at the end of the 1970’s. Thank you for speaking truth to power!

    Archbishop Desmond Tutu, the Nobel Peace prize laureate who helped end apartheid in South Africa, has died aged 90
    1 reply 2 retweets 28 likes
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  21. Retweeted
    Dec 25

    Archbishop Desmond Tutu, the Nobel Peace prize laureate who helped end apartheid in South Africa, has died aged 90

    725 replies 4,541 retweets 10,558 likes
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