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DTSTART;VALUE=DATE:20250303
DTEND;VALUE=DATE:20250304
DTSTAMP:20250306T103840Z
CREATED:20250303T102939Z
LAST-MODIFIED:20250306T103840Z
UID:121266-1740960000-1741046399@www.a3veen.nl
SUMMARY:“Cool” years are now hotter than the “warm” years of the past: tracking global temperatures through El Niño and La Niña - publication
DESCRIPTION:In 2024\, the world was around 1.5°C warmer than it was in pre-industrial times. You can see this in the chart below\, which shows average warming relative to average temperatures from 1861 to 1890. \nTemperatures\, as defined by “climate”\, are based on temperatures over longer periods of time — typically 20-to-30-year averages — rather than single-year data points. But even when based on longer-term averages\, the world has still warmed by around 1.3°C. But you’ll also notice\, in the chart\, that temperatures haven’t increased linearly. There are spikes and dips along the long-run trend. Many of these short-term fluctuations are caused by “ENSO” — the El Niño-Southern Oscillation — a natural climate cycle caused by changes in wind patterns and sea surface temperatures in the Pacific Ocean. While it’s caused by patterns in the Pacific Ocean and most strongly affects countries in the tropics\, it also impacts global temperatures and climate. There are two key phases of this cycle: the La Niña phase\, which tends to cause cooler global temperatures\, and the El Niño phase\, which brings hotter conditions. The world cycles between El Niño and La Niña phases every two to seven years. There are also “neutral” periods between these phases where the world is not in either extreme. The zig-zag trend of global temperatures becomes understandable when you are taking the phases of the ENSO cycles into account. In the chart below\, we see the data on global temperatures\, but the line is now colored by the ENSO phase at that time. The El Niño (warm phase) is shown in orange and red\, and the La Niña (cold phase) is shown in blue. You can see that temperatures often reach a short-term peak during warm El Niño years before falling back slightly as the world moves into La Niña years\, shown in blue. \n\nLinks:\n“Cool” years are now hotter than the “warm” years of the past: tracking global temperatures through El Niño and La Niña
URL:https://www.a3veen.nl/event/cool-years-are-now-hotter-than-the-warm-years-of-the-past-tracking-global-temperatures-through-el-nino-and-la-nina-publication/
CATEGORIES:kennis,Klimaat,Statistiek,Weer
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20250312
DTEND;VALUE=DATE:20250313
DTSTAMP:20250312T115834Z
CREATED:20250312T054121Z
LAST-MODIFIED:20250312T115834Z
UID:121567-1741737600-1741823999@www.a3veen.nl
SUMMARY:Daling uitstoot broeikasgassen vlakt af in 2024 - publicatie
DESCRIPTION:In 2024 was de uitstoot van broeikasgassen 1\,6 procent lager dan in 2023\, deze daling is kleiner dan in de twee voorgaande jaren toen de afname telkens ruim 7 procent bedroeg. \nDe elektriciteits- en mobiliteitssectoren hebben in 2024 minder uitgestoten\, terwijl de industrie meer uitstootte. Dit melden het CBS en RIVM/Emissieregistratie op basis van de voorlopige kwartaalcijfers over de broeikasgassenuitstoot conform de richtlijnen van het IPCC. In 2024 was de uitstoot van broeikasgassen 37 procent kleiner dan in 1990\, het referentiejaar voor de Klimaatwet. Gedurende deze periode is van alle klimaatsectoren de uitstoot verminderd. De industrie stootte bijvoorbeeld vooral minder methaan\, lachgas en fluorhoudende gassen uit. Ook de emissies van de elektriciteitssector zijn kleiner. Met name vanaf 2017 worden fossiele energiedragers steeds meer vervangen door biomassa\, zonne- en windenergie. De Klimaatwet stelt dat in 2030 de broeikasgasuitstoot 55 procent lager moet zijn dan in 1990. Dat komt neer op een daling van 125 Megaton CO2-equivalent. Tussen 1990 en 2023 daalden de emissies met gemiddeld 2\,5 Megaton per jaar\, in 2024 met 2 Megaton. Om het doel van de klimaatwet te halen\, moeten de emissies de komende zes jaar met gemiddeld 7 Megaton per jaar dalen. \nLinks:\nDaling uitstoot broeikasgassen vlakt af in 2024
URL:https://www.a3veen.nl/event/daling-uitstoot-broeikasgassen-vlakt-af-in-2024-publicatie/
CATEGORIES:kennis,Klimaat,Lichtvervuiling,Milieu,Statistiek
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