Per Wikman-Svahn

Ph.D. (philosophy) Tweets on climate change, sea level rise, energy systems, uncertainty & risk management.

[Per Wikman-Svahn @Perwis]

@palace Optimism is more important and more critical than I thought. https://t.co/1jIFhlLdk6

[Per Wikman-Svahn @Perwis]

Spring has arrived in Stockholm.

[Per Wikman-Svahn @Perwis]

Beautiful Earth Day Google Doodle today. It has global reach: https://t.co/sY9Q3haJje

[Per Wikman-Svahn @Perwis]

Wow. First page on the NY Times today. Headline seems to be a correct assessment of what happened. Good that they are saying it as it is.

[Per Wikman-Svahn @Perwis]

@alex_avoigt Did he really say “gigabyte-hour”?!?

[Per Wikman-Svahn @Perwis]

Wonderful story how events in the past still influences us today.

[Latif Nasser @latifnasser]

The US election is tomorrow.  If you, like me, are tired of horse-race-style reporting, and need to zoom out, I wanna tell you a story. It’s about an ancient force influencing the election. And, as a bonus, it’ll give you an Easter egg to watch for as the returns come in. THREAD

[Per Wikman-Svahn @Perwis]

Especially massive growth from solar energy (compare the blue and green bars with the grey).

[Per Wikman-Svahn @Perwis]

Massive growth of renewable electricity in the world over the next two decades (blue,green two possible scenarios), compared to the last two decades. From the IEA World Energy Outlook https://t.co/Nc7b7goIhW

[Per Wikman-Svahn @Perwis]

Yay! My fav sci-if author is coming out with a new novel (his last ever?)! Just pre-ordered it!

[Per Wikman-Svahn @Perwis]

Probably very hard to stop Antarctica from melting once it has has started. Important to keep global warming as low as possible if we want to avoid accelerating sea level rise.

[Per Wikman-Svahn @Perwis]

New study on future sea levels: 1.3 meter per degree of warming up to 2 degrees above pre-industrial levels, 2.4 metres/degree between 2 and 6 degrees, 10 metres/degree between 6 and 9 degrees...

[Per Wikman-Svahn @Perwis]

Note that this is only from Antarctica. Additional sea level rise will also come from Greenland and Thermal expansion of water in particular.

[Per Wikman-Svahn @Perwis]

@JesperAhlin Tack Jesper! Jag får alltid nya följare när du nämner mig. :)

[Per Wikman-Svahn @Perwis]

@trysig Finns presentationen någonstans att se?

[Per Wikman-Svahn @Perwis]

@MichelleCardel @threadreaderapp unroll

[Per Wikman-Svahn @Perwis]

@Dr_FarrisD Where are the graphs from?

[Per Wikman-Svahn @Perwis]

@struthious I would also look at the more nuanced counter arguments against this view due to public communication and public trust in science by eg Stephen John (2015) and Torsten Wilholt (2013).

[Per Wikman-Svahn @Perwis]

@ReflexFunds @threadreaderapp unroll

[Per Wikman-Svahn @Perwis]

@Vanstrastranden Så det är rätt att Taleb uppfann begreppet ”svart svan” som det används idag vad gäller riskhantering. Den påminner om den vetenskapsfilosofiska användningen men är alltså annorlunda.

[Per Wikman-Svahn @Perwis]

@Vanstrastranden Taleb använder det istället för att beskriva en typ av extrema risker som är genuina överraskningar f��r observatören, men som man i efterhand förklarar.