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Monokultur » Den Gore, den Gore


Den Gore, den Gore

Diverse — Drokles on October 2, 2011 at 4:11 pm

Al Gore forsøgte for nogen tid siden et desperat fremstød for sine klimainvesteringer da han lancerede den verdensomspændende kampagne 24 Hour Of Reality.

Det blev en fuser. Men selv om nærved ingen mennesker gad se 24 timers klimarealiteter blev det alligevel set med stor interesse af Anthony Watts, der på sin fremragende blog Watts Up With That har nærstuderet et lille videoklip fra Gore’s film Climate 101. Her præsenteres teorien for menneskeskabt global opvamning i et simpelt forsøg, som Gore kalder “high school physics”. At han dummer klimadebatten ned ved ikke at kunne skelne mellem at præsentere et simpelt eksperiment til demonstration af et simpelt princip, drivhusgas, og så en eventuel påvirkning af det store komplekse og dynamiske system, vi andre kender som klimaet er ganske typisk Al Gore, som vi kender og elsker ham. Men der er et mere pinligt problem, som fortæller så meget om Al Gore. Hans film viser ikke det eksperiment som ellers er simpel “high school physics”.

climate101_video_at_109

Eksperimentet er ganske simpelt. To glaskrukker hver indeholdende et termometer bliver udsat for den samme varmepåvirkning fra en varmelampe, men den ene glaskrukke er beriget med ekstra CO2. Og se engang, glaskrukken med den ekstra CO2 bliver varmere end glaskrukken uden. Men det simpel eksperiment er ikke optaget i et simpelt hug, men tydeligvis manipuleret i flere omgange.

climate101_video_at_111

Billedet ovenfor skal ligne en sidestilling af de to termometre, som de måler temperaturforskellen i de to glaskrukker. Den lille plet ud for 98, som pilen peger på viser dog at det er det samme termometer. Kameraer har altså ikke fuldt to forskellige termometre i hver deres glaskrukke indeholdnede forskellig atmosfære. Og den slags fejl er der betænkeligt mange af, som Watts frydefuldt og omhyggeligt gennemgår, billede for billede. Udover underholdningsværdien i at et stykke propaganda, der skal overbevise alverden om sin high school simplicitet er forarbejdet til ukendelighed dukker der et endnu mere pinligt faktum op. Varmelamperne, som opvarmede de to glaskrukker har ikke kunnet fremprovokere nogen drivhuseffekt fra CO2 fordi lyset fra dem ikke var i den rette bølgelængde.

Heat lamps like this produce visible red light and short wave infrared (SWIR is 1.4-3 µm wavelength). As we know from the classic greenhouse effect, glass blocks infrared so none of the SWIR was making it into the cookie jar. All that would do is heat the glass. John Tyndall’s 1850?s experiments used rock salt windows, which transmit infrared, for exactly that reason. Adding insult to injury, CO2 has no SWIR absorption bands. What CO2 does have though is higher density than air. The gas in the cookie jars was primarily heated by conduction in contact with the SWIR-heated glass.

De to glas kunne med lige så stor effekt have sået i en mørk ovn. Alligevel påstår filmen at dette eksperiment kan laves hjemme i stuen, hvis man vil have syn for sagn. Men Gore skal jo medierne, så hvis ikke man kan fange folks interesse med umulige skoleeksperimenter, kan man da altid slå plat på andre menneskers ulykke, her fra Guardian

The former vice president and climate campaigner said that US democracy had been undermined.  he said.

In a near hour-long speech to the Scottish low-carbon investment conference, Gore said the evidence from the floods in Pakistan, China, South Korea and Columbia was so compelling that the case for urgent action by world leaders to combat carbon emissions was now overwhelming, Gore said.

“Observations in the real world make it clear that it’s happening now, it’s real, it’s with us,” he said. Failing to take action meant the world would face a catastrophe.

He added that nearly every climate scientist actively publishing on the subject now agreed there was a causal link between carbon emissions and the sharp increase in intense and extreme weather events seen across the globe.

“Every single national academy of science of every major country on earth agrees with the consensus and the one’s that don’t agree with it do not exist. This is what they say to governments: ‘The need for urgent action is now indisputable’.

“The scientists have made a subtle but profound change in the way that they speak about the connection between the climate crisis and the extreme weather events. They used to say you can’t connect any extreme weather event to climate because there are multiple factors. Now they’ve changed.

Og da ingen tænker på børnene får det Gore til at konkludere “In the language of computer culture, our democracy has been hacked,“. Nu da Gore har det lettere med overskrifter end fysiske eksperimenter og empiri har den gode blog Real Climate hjulpet med at hive avisartikler frem ved hjælp af Google Newspapers

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Og der er selvfølgelig mange, som man kan nyde, hvis man vil en tur ned af naturkatastrofernes memory lane.

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