Increased ionization supports growth of aerosols into cloud condensation nuclei

Svensmark, Henrik; Enghoff, Martin Andreas Bødker; Shaviv, Nir J.; Svensmark, Jacob

doi:10.1038/s41467-017-02082-2

Cited by 101 publications

(81 citation statements)

References 39 publications

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“…Lockwood et al [44] clearly showed the relevance of solar activity indicators for the heliospheric cosmic ray modulation potential and the associated cooling and warming of the earth during the past 400 years. The causal chain between solar magnetic activity, cosmic ray flux hitting the earth, cloud formation potential, and mean global temperature has been shown by Svensmark and Friis-Christensen [45] and was convincingly defended against premature critics [46].…”

Section: Forage Groups 80mentioning

confidence: 98%

Domestic Livestock and Its Alleged Role in Climate Change

Glatzle¹

2019

Forage Groups

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It is very old wisdom that climate dictates farm management strategies. In recent years, however, we are increasingly confronted with claims that agriculture, livestock husbandry, and even food consumption habits are forcing the climate to change. We subjected this worrisome concern expressed by public institutions, the media, policy makers, and even scientists to a rigorous review, cross-checking critical coherence and (in)compatibilities within and between published scientific papers. Our key conclusion is there is no need for anthropogenic emissions of greenhouse gases (GHGs), and even less so for livestock-born emissions, to explain climate change. Climate has always been changing, and even the present warming is most likely driven by natural factors. The warming potential of anthropogenic GHG emissions has been exaggerated, and the beneficial impacts of manmade CO 2 emissions for nature, agriculture, and global food security have been systematically suppressed, ignored, or at least downplayed by the IPCC (Intergovernmental Panel on Climate Change) and other UN (United Nations) agencies. Furthermore, we expose important methodological deficiencies in IPCC and FAO (Food Agriculture Organization) instructions and applications for the quantification of the manmade part of non-CO 2 -GHG emissions from agro-ecosystems. However, so far, these fatal errors inexorably propagated through scientific literature. Finally, we could not find a clear domestic livestock fingerprint, neither in the geographical methane distribution nor in the historical evolution of mean atmospheric methane concentration. In conclusion, everybody is free to choose a vegetarian or vegan lifestyle, but there is no scientific basis, whatsoever, for claiming this decision could contribute to save the planet's climate.

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Section: Forage Groups 80mentioning

confidence: 98%

Domestic Livestock and Its Alleged Role in Climate Change

Glatzle¹

2019

Forage Groups

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“…The possible rise on the ionization levels on the atmosphere due to the increased CR flux caused by the SN explosion may possibly be connected to climate change (Svensmark et al, 2017), but this is a controversial claim. Here, we are concerned with the effects of the muons.…”

Section: Estimates Of Biological Effects and The Pliocene-pleistocenementioning

confidence: 99%

Hypothesis: Muon Radiation Dose and Marine Megafaunal Extinction at the End-Pliocene Supernova

2019

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Considerable data and analysis support the detection of one or more supernovae at a distance of about 50 pc, ~2.6 million years ago. This is possibly related to the extinction event around that time and is a member of a series of explosions which formed the Local Bubble in the interstellar medium. We build on previous work, and propagate the muon flux from supernova-initiated cosmic rays from the surface to the depths of the ocean. We find that the radiation dose from the muons will exceed the total present surface dose from all sources at depths up to a kilometer and will persist for at least the lifetime of marine megafauna. It is reasonable to hypothesize that this increase in radiation load may have contributed to a newly documented marine megafaunal extinction at that time.

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“…For all these reasons, evaluation of effects from the SN is complicated. It may possibly be connected to climate change [24], but this is a controversial claim. Here, we are concerned with the effects of the muons.…”

Section: Estimates Of Biological Effects and The Pliocene-pleistocenementioning

confidence: 99%

Muon Radiation Dose and Marine Megafaunal Extinction at the end-Pliocene Supernova

Melott

Marinho

Paulucci

2017

Preprint

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Considerable data and analysis support the detection of a supernova at a distance of about 50 pc, ~2.6 million years ago. This is possibly related to the extinction event around that time and is a member of a series of explosions which formed the Local Bubble in the interstellar medium. We build on the assumptions made in previous work, and propagate the muon flux from supernova-initiated cosmic rays from the surface to the depths of the ocean. We find that the radiation dose from the muons will exceed the total present surface dose from all sources at depths up to a kilometer and will persist for at least the lifetime of marine megafauna. It is reasonable to hypothesize that this increase in radiation load may have contributed to a newly documented marine megafaunal extinction at that time. peer-reviewed)

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Increased ionization supports growth of aerosols into cloud condensation nuclei

Cited by 101 publications

References 39 publications

Domestic Livestock and Its Alleged Role in Climate Change

Domestic Livestock and Its Alleged Role in Climate Change

Hypothesis: Muon Radiation Dose and Marine Megafaunal Extinction at the End-Pliocene Supernova

Muon Radiation Dose and Marine Megafaunal Extinction at the end-Pliocene Supernova

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