“Onze mensen moeten gewoon kunnen leven” @clintelfoundation

Uploaded August 2026 | Updated September 2026, 2 weeks ago

Prijs, beschikbaarheid en betrouwbaarheid zijn de pijlers van ieder goed energiesysteem. Terwijl deze voorwaarden in het westerse energiebeleid ondergeschikt raken aan CO₂-reductie, investeert Indonesië fors in steenkool.

Meer lezen over de mondiale rol van steenkool:
https://clintel.nl/steenkool-de-brandstof-die-we-negeren-maar-niet-kunnen-vervangen/

Video: Electroverse
Nederlandse ondertitels: Clintel

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“Onze mensen moeten gewoon kunnen leven”

$How Much of the CO₂ Rise Is Human? | Hermann Harde How much of the observed rise in atmospheric CO₂ is caused by human emissions—and how much can be explained by temperature-dependent natural processes? In this presentation, German physicist Hermann Harde examines the global carbon cycle and contrasts the IPCC’s explanation of increasing atmospheric CO₂ with his own approach. Harde questions the assumption that the natural carbon cycle remained fixed at a pre-industrial equilibrium of approximately 280 ppm. He argues that natural emissions and absorption vary with temperature and that natural and anthropogenic CO₂ molecules must be treated equivalently within the carbon cycle. He discusses: • the IPCC carbon-cycle model and airborne fraction; • residence time, adjustment time and effective absorption time; • whether absorption is proportional to emissions or atmospheric concentration; • the Bern carbon-cycle model and its multiple adjustment times; • temperature-dependent emissions from soils, oceans and the biosphere; • radiocarbon as a tracer of atmospheric carbon exchange; • carbon-14 measurements following nuclear bomb tests; • a three-reservoir model involving the stratosphere, troposphere and surface; • the relationship between tropical temperatures and net CO₂ emissions; • El Niño events and variations in the Mauna Loa record. Using radiocarbon observations, Harde estimates an effective atmospheric absorption time of no more than approximately eight to ten years. His model attributes about 13 ppm—or roughly 9% of the atmospheric increase since 1850—to human emissions. He argues that the remainder can largely be explained by temperature-dependent natural emissions, particularly from tropical soils and the biosphere. Harde also estimates that the anthropogenic contribution to industrial-era warming is approximately 0.3°C. He concludes that policies intended to reduce this relatively small contribution threaten energy security, economic prosperity and living standards. The presentation concludes with a short discussion in which Ferdinand Engelbeen challenges Harde’s treatment of fossil-fuel emissions, carbon isotopes and the concentration differences that govern exchanges between the atmosphere and other carbon reservoirs. Recorded during the Clintel Workshop on Recent Research Developments on Atmospheric Temperature, Carbon Dioxide and Their Relationship at the National Technical University of Athens on 19 September 2024. This video was filmed, edited and produced by Aphroditi Katerinopoulou: https://vimeo.com/user52800014 aphroditikat@yahoo.gr Hermann Harde is a physicist formerly affiliated with Helmut Schmidt University in Hamburg, Germany. Learn more about Clintel and the World Climate Declaration: https://clintel.org/ Hoofdstukken 00:00 Introduction 00:45 Opening remarks 03:13 The IPCC explanation of rising CO₂ 05:14 The pre-industrial carbon balance 07:40 Residence time and the airborne fraction 09:15 Problems with conventional carbon-cycle models 11:13 Multiple adjustment times in the Bern model 12:35 A modified IPCC interpretation 16:00 Harde’s approach to the carbon cycle 19:07 Radiocarbon as a tracer 20:12 Carbon-14 and nuclear bomb tests 21:44 A multi-reservoir carbon model 23:15 Modelling radiocarbon decay 26:16 Applying the model to human emissions 28:17 Estimating the anthropogenic contribution 28:46 Temperature-dependent natural emissions 30:43 Analysing the Mauna Loa record 32:53 Tropical temperatures and El Niño 34:31 Soil respiration and ocean outgassing 35:27 Temperature, emissions and phase relationships 36:43 Comparing calculated and measured CO₂ 37:53 Is only 9% of the increase anthropogenic? 39:11 Historical CO₂ measurements 40:30 Conclusions 42:08 Questions and discussion 42:47 Ferdinand Engelbeen challenges the model$

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Clintel |

“Onze mensen moeten gewoon kunnen leven”