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Friday, November 24, 2017

6:26:00 AM CET

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Alejandro Sanchez advierte: "Las LED han supuesto una revolución tecnológica con aspectos positivos como varios tipos de color, intensidad regulable o capacidad de poner el foco en un punto concreto pero su eficacia depende mucho de cómo se usen" External link

eltiempo-CO Friday, November 24, 2017 6:18:00 AM CET

Christopher Kyba comenta: "Aunque sabemos que la tecnología LED ahorra energía en proyectos específicos, cuando miras a nivel nacional o global ves que estos ahorros son neutralizados por nuevas o más brillantes luces en otros partes" External link

elmanana Friday, November 24, 2017 4:11:00 AM CET

Franz Hölker said: “This is concerning, of course, because we are convinced that artificial light is an environmental pollutant with ecological and evolutionary implications for many organisms from bacteria to mammals, including us humans and may reshape entire social ecological systems,” External link

startribune Friday, November 24, 2017 1:09:00 AM CET

Franz Hölker said: “From an evolutionary perspective, now, artificial light at night is a very new stressor,” “The problem is that light has been introduced in places, times and intensities at which it does not naturally occur, and many organisms have had no chance to adapt to this new stressor” External link

startribune Friday, November 24, 2017 1:09:00 AM CET

Franz Hölker said: "In addition to threatening 30 percent of vertebrates that are nocturnal and over 60 percent of invertebrates that are nocturnal, artificial light also affects plants and microorganisms," "It threatens biodiversity through changed night habits, such as reproduction or migration patterns, of many different species: insects, amphibians, fish, birds, bats and other animals" External link

news-yahoo Thursday, November 23, 2017 9:35:00 PM CET

Christopher Kyba said: "While we know that LEDs save energy in specific projects, for example when a city transitions all of its street lighting from sodium lamps to LED, when we look at our data and we look at the national and the global level, it indicates that these savings are being offset by either new or brighter lights in other places," External link

news-yahoo Thursday, November 23, 2017 9:35:00 PM CET

Christopher Connolly said: “This is an interesting paper on the molecular requirements for sensitivity to a single pyrethroid insecticide,” External link

independent-UK Thursday, November 23, 2017 9:10:00 PM CET

Andrew Jones said: “In my opinion, if neonicotinoids are genuinely decreasing bee populations then pesticides that selectively target non-bee species may help to reverse this,” External link

independent-UK Thursday, November 23, 2017 9:10:00 PM CET

Andrew Jones said: “Whether we like it or not, we need measures to protect our crops and at the moment that will be insecticides, and in the future I’m sure there will be more stringent tests to ensure that they are bee friendly,” External link

independent-UK Thursday, November 23, 2017 9:10:00 PM CET

Christopher Kyba says: “What’s more, we actually see only part of the light increase” External link

zmescience Thursday, November 23, 2017 7:37:00 PM CET

Christopher Kyba told: “For that reason I expected that wealthy countries would appear to be getting darker (even if that wasn’t truly the case). Instead, we observed wealthy countries staying constant, or in many cases increasing,” External link

zmescience Thursday, November 23, 2017 7:37:00 PM CET

Franz Hölker said: “Many people are using light at night without really thinking about the cost,” External link

wncn Thursday, November 23, 2017 7:19:00 PM CET

Christopher Kyba said: "I was very surprised by the result of the study, particularly in wealthy well-lit countries like the US," External link

click2houston Thursday, November 23, 2017 6:42:00 PM CET

Gareth Jones added: "Although there are benefits in terms of greater energy efficiency associated with changes to new lighting technologies such as LEDs, nevertheless light pollution and its associated risks to human health and biodiversity continue to increase," External link

click2houston Thursday, November 23, 2017 6:42:00 PM CET

Christopher Kyba said: "From energy economics, there's a phenomenon called The Rebound Effect," External link

click2houston Thursday, November 23, 2017 6:42:00 PM CET

Christopher Kyba said: "In city centers, we need to completely rethink the way we light by putting people at the center and not cars, which have their own lights," "We shouldn't have streetlights anymore. We should have lighting for pedestrians and for the people riding bikes" External link

click2houston Thursday, November 23, 2017 6:42:00 PM CET

Franz Hölker said: "In addition to threatening 30 percent of vertebrates that are nocturnal and over 60 percent of invertebrates that are nocturnal, artificial light also affects plants and microorganisms," "It threatens biodiversity through changed night habits, such as reproduction or migration patterns, of many different species: insects, amphibians, fish, birds, bats and other animals" External link

theglobeandmail Thursday, November 23, 2017 6:08:00 PM CET

Christopher Kyba said: "While we know that LEDs save energy in specific projects, for example when a city transitions all of its street lighting from sodium lamps to LED, when we look at our data and we look at the national and the global level, it indicates that these savings are being offset by either new or brighter lights in other places," External link

theglobeandmail Thursday, November 23, 2017 6:08:00 PM CET

Christopher Kyba comenta: "Aunque sabemos que la tecnología LED ahorra energía en proyectos específicos, cuando miras a nivel nacional o global ves que estos ahorros son neutralizados por nuevas o más brillantes luces en otros partes" External link

elperiodicodemexico Thursday, November 23, 2017 5:27:00 PM CET

Hans Hagemann explains: "But we still had to find a suitable solid ionic conductor that, as well as being non-toxic, was chemically and thermally stable, and that would allow the sodium to move easily between the anode and the cathode," External link

sciencedaily Thursday, November 23, 2017 5:14:00 PM CET

Leo Duchene states: "The difficulty was establishing close contact between the battery's three layers: the anode, consisting of solid metallic sodium; the cathode, a mixed sodium chromium oxide; and the electrolyte, the closo-borane," External link

sciencedaily Thursday, November 23, 2017 5:14:00 PM CET

Alejandro Sanchez advierte: "Las LED han supuesto una revolución tecnológica con aspectos positivos como varios tipos de color, intensidad regulable o capacidad de poner el foco en un punto concreto pero su eficacia depende mucho de cómo se usen" External link

UltimaHora Thursday, November 23, 2017 3:20:00 PM CET

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