2-adic metric

Published on Aug 13, 2015
An exploration of infinite sums, from convergent to divergent, including a brief introduction to the 2-adic metric, all themed on that cycle between discovery and invention in math.

Published on Aug 13, 2015
An exploration of infinite sums, from convergent to divergent, including a brief introduction to the 2-adic metric, all themed on that cycle between discovery and invention in math.

COP21

James Hansen, father of climate change awareness, calls Paris talks ‘a fraud’ Article 4 of the agreement seems to avoid making a global effort to change things and leaves each country to go his own way By Eli Kintisch 30 … Continue reading

James Hansen, father of climate change awareness, calls Paris talks ‘a fraud’


Article 4 of the agreement seems to avoid making a global effort to change things and leaves each country to go his own way


By Eli Kintisch 30 November 2015 3:00 am

It’s reasonable to view the climate talks that begin this week in Paris with skepticism. More than 2 decades have passed since nations met in Rio de Janeiro to create the 1992 United Nations Framework Convention on Climate Change. Since then, a succession of international meetings under the Framework—most notably in Kyoto, Japan, in 1997 and Copenhagen in 2009—have done little to alter our planet’s worrisome trajectory. Annual global emissions of CO2 have risen steadily from 21 billion tons in 1992 to 32 billion tons in 2012. The rate of increase in the atmospheric concentration of greenhouse gases has accelerated, by roughly 30% since the 1990’s. Nine of the 10 warmest years on record have occurred since 1998, and the impacts of climate change are already being felt from the tropics to the poles.

Optimists point to the growing use of solar, wind, and other renewable power sources and the success of some nations, such as Denmark, in curbing emissions. But rising emissions from China, India, and other developing nations are swamping that progress. And the dismal track record of global climate talks inspires little confidence that nations can agree to make the huge changes required to stop treating the atmosphere like a carbon sewer.
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a transition to decarbonization

A ‘perfect’ agreement in Paris is not essential Success at the latest climate talks will be a recognition by the world’s nations that incremental change will not do the job, says Johan Rockström. 25 November 2015 It would be dangerous to allow ‘success’ to be reduced to a low level of political achievement so that […]

A ‘perfect’ agreement in Paris is not essential

25 November 2015

It would be dangerous to allow ‘success’ to be reduced to a low level of political achievement so that the world continues along an incremental policy path that stands no chance of supporting a transition to decarbonization. Equally, scientists can no longer dismiss as failure an agreement that is not fully in line with the demands of climate science. For if Paris is widely perceived to have failed, political leadership is likely once again to enter a post-Copenhagen climate trauma and instead focus on other more urgent (and politically rewarding) issues.

Something is rotten in the state of Denmark

02 November 2015 Bugs collected on rooftop for 18 years reveal climate change effects CLIMATE A volunteer registration of insects for 18 consecutive years on the roof of the Natural History Museum of Denmark has revealed local insect community turnover due to climate change. The research suggests a pattern of specialised species being more sensitive […]

02 November 2015

Bugs collected on rooftop for 18 years reveal climate change effects

CLIMATE

A volunteer registration of insects for 18 consecutive years on the roof of the Natural History Museum of Denmark has revealed local insect community turnover due to climate change. The research suggests a pattern of specialised species being more sensitive to climate change.

1543 different species of moths and beetles and more than 250.000 individuals have been registered on a single urban rooftop in Copenhagen over 18 years of monitoring. That corresponds to 42 % of all the species of moths in Denmark and 12 % of the beetles. More interestingly, the insect community has changed significantly during that period. The results are published today in the Journal of Animal Ecology led by researchers from the Center for GeoGenetics and the Center for Macroecology, Evolution and Climate at the Natural History Museum of Denmark at the University of Copenhagen.

“We are likely to lose some specialist species as they retreat north, but more new specialist species will arrive from the south. This trend is theoretically expected but extremely rare to confirm with observations across this many species. Insects are often over-looked and under prioritised for long term studies” says the other lead authorPeter Søgaard Jørgensen, PhD from the Center for Macroecology, Evolution and Climate.

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The Story of My Experiments with Truth or સત્યના પ્રયોગો અથવા આત્મકથા is the autobiography of Mohandas K. Gandhi, covering his life from early childhood through to 1921. It was written in weekly instalments and published in his journal Navjivan … Continue reading

The Story of My Experiments with Truth or ?????? ??????? ???? ??????? is the autobiography of Mohandas K. Gandhi, covering his life from early childhood through to 1921. It was written in weekly instalments and published in his journal Navjivan from 1925 to 1929. Its English translation also appeared in installments in his other journal Young India.[1] It was initiated at the insistence ofSwami Anand and other close co-workers of Gandhi, who encouraged him to explain the background of his public campaigns. In 1999, the book was designated as one of the “100 Best Spiritual Books of the 20th Century” by a committee of global spiritual and religious authorities.[2]

los tambores de la guerra en Europa

jueves, 26 de noviembre de 2015
Europa ante la guerra

Resuenan con fuerza los tambores de la guerra en Europa, y los ciudadanos europeos, amedrentados por la omnipresente amenaza del terror integrista, se unen fervorosos al clamor contra el yihadismo, o bien callan por temor a ser tachados de blandos, cuando no de estúpidos.

Europa está condenada a decrecer energéticamente, simplemente, porque no hay para todos, porque, según reconocía la AIE en ese mismo informe de 2015, la producción de carbón y petróleo va a decaer a partir de 2020 (disfrazada, a su decir, de pico de demanda). Europa no necesita que se lo diga la AIE; en la Comisión Europea ya saben que actualmente el nivel de consumo de energía primaria de todo tipo está a niveles de principios de los años 90 del siglo XX, y ya saben que de seguir así en pocas décadas estará en niveles de los años 70. Pero Europa se resiste a agonizar energéticamente. Y se resiste porque no hay plan B. No hay alternativa al crecentismo. Y no las hay porque no existan propuestas (y algunas de una gran calidad); no las hay, simplemente, porque es políticamente inaceptable.

Muchos de los grandes imperios de la Historia colapsaron al ser incapaces de sostener sus últimas aventuras militares, a veces un tanto esperpénticas. La lógica subyacente de muchas guerras de conquista era que la economía se había vuelto dependiente de la expoliación de recursos en los territorios conquistados. Esta es una situación en mucho análoga a la que tenemos actualmente. Los lugares en disputa son aún hoy atractivos desde el punto de vista de los recursos, pero el inevitable declive de la producción mundial de hidrocarburos llevará a países cada vez más remotos, más poblados, mejor defendidos y con menos recursos. Al final, exhaustos por el esfuerzo e incapaz de sostenerse con los magros frutos de las últimas guerras, todas las potencias occidentales irán colapsando. 

Digámoslo alto y claro: el colapso de la sociedad europea es inevitable si continuamos por la vía militar. Será un colapso económico, sí, pero también, y mucho antes, moral, si por mor de mantenir unos pocos años más un sistema insostenible renunciamos a los valores fundamentales en los que hace tiempo decidimos creer.  

 


¿Preparando terreno para conflictos?: EE.UU. inicia la “profesionalización” del Ejército ucraniano

Publicado: 24 nov 2015 03:40 GMT

jueves, 26 de noviembre de 2015
Europa ante la guerra

Resuenan con fuerza los tambores de la guerra en Europa, y los ciudadanos europeos, amedrentados por la omnipresente amenaza del terror integrista, se unen fervorosos al clamor contra el yihadismo, o bien callan por temor a ser tachados de blandos, cuando no de estúpidos.

Europa está condenada a decrecer energéticamente, simplemente, porque no hay para todos, porque, según reconocía la AIE en ese mismo informe de 2015, la producción de carbón y petróleo va a decaer a partir de 2020 (disfrazada, a su decir, de pico de demanda). Europa no necesita que se lo diga la AIE; en la Comisión Europea ya saben que actualmente el nivel de consumo de energía primaria de todo tipo está a niveles de principios de los años 90 del siglo XX, y ya saben que de seguir así en pocas décadas estará en niveles de los años 70. Pero Europa se resiste a agonizar energéticamente. Y se resiste porque no hay plan B. No hay alternativa al crecentismo. Y no las hay porque no existan propuestas (y algunas de una gran calidad); no las hay, simplemente, porque es políticamente inaceptable.

Muchos de los grandes imperios de la Historia colapsaron al ser incapaces de sostener sus últimas aventuras militares, a veces un tanto esperpénticas. La lógica subyacente de muchas guerras de conquista era que la economía se había vuelto dependiente de la expoliación de recursos en los territorios conquistados. Esta es una situación en mucho análoga a la que tenemos actualmente. Los lugares en disputa son aún hoy atractivos desde el punto de vista de los recursos, pero el inevitable declive de la producción mundial de hidrocarburos llevará a países cada vez más remotos, más poblados, mejor defendidos y con menos recursos. Al final, exhaustos por el esfuerzo e incapaz de sostenerse con los magros frutos de las últimas guerras, todas las potencias occidentales irán colapsando. 

Digámoslo alto y claro: el colapso de la sociedad europea es inevitable si continuamos por la vía militar. Será un colapso económico, sí, pero también, y mucho antes, moral, si por mor de mantenir unos pocos años más un sistema insostenible renunciamos a los valores fundamentales en los que hace tiempo decidimos creer.  


 


¿Preparando terreno para conflictos?: EE.UU. inicia la “profesionalización” del Ejército ucraniano

Publicado: 24 nov 2015 03:40 GMT

oil and gas in the Occupied Territories

‘Grievous Censorship’ By The Guardian: Israel, Gaza And The Termination Of Nafeez Ahmed’s Blog IN ALERTS 2014 POST 08 DECEMBER 2014 LAST UPDATED ON 09 DECEMBER 2014 Why the Guardian axed Nafeez Ahmed’s blog 4 DECEMBER 2014 Nafeez Ahmed’s account … Continue reading

‘Grievous Censorship’ By The Guardian: Israel, Gaza And The Termination Of Nafeez Ahmed’s Blog

Nafeez Ahmed’s account of the sudden termination of his short-lived contract to write an environment blog for the Guardian is depressingly instructive – and accords with my own experiences as a journalist at the paper.

– See more at: http://www.jonathan-cook.net/blog/2014-12-04/why-the-guardian-axed-nafeez-ahmeds-blog/#sthash.PUeiYY4H.dpuf

In July, as Israel began its massive assault on Gaza, Ahmed published a post revealing a plausible motivation – Gaza’s natural gas reserves – for Israel’s endless belligerence towards the enclave’s Hamas government. (The story had until then been confined to minor and academic publications, including my own contribution here.) Israel wanted to keep control over large gas reserves in Gaza’s waters so that it could deny Hamas a resource that would have bought it influence with other major players in the region, not least Egypt.

Israel’s defence minister has confirmed that military plans to ‘uproot Hamas’ are about dominating Gaza’s gas reserves
A Palestinian boy plays in the rubble of a home wrecked in an Israeli air raid on Beit Hanoun, Gaza
A Palestinian boy plays in the rubble of a house destroyed in an Israeli air strike on Beit Hanoun, Gaza. Photograph: Khalil Hamra/AP