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Ka Hei 🏔️ 🛰️

@pinkychow10107.bsky.social
901 followers 262 following 14 posts

Climate Impact Modelling @ Repath 🐝 Past research at DLR & consulting for World Bank 🌐 Earth Observation | GIS 🗺️ | Climate Risk 🔥 📍 Ulm, Germany

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Reposted by Ka Hei 🏔️ 🛰️
Nature Ecology & Evolution @natecoevo.nature.com · 23/07/2025
Analysis of data on 971 bird species in Colombia finds that near-national-scale losses of bird diversity greatly exceed losses recorded at the local scale, suggesting that extrapolations from local studies will severely underestimate biodiversity losses www.nature.com/articles/s41... 🧪
nature.com
Tropical biodiversity loss from land-use change is severely underestimated by local-scale assessments - Nature Ecology & Evolution
Analysis of data on 971 bird species in natural habitat and cattle pasture in Colombia finds that near-national-scale losses of bird diversity greatly exceed losses recorded at the local scale, sugges...
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Dr. Jeff Masters @drjeffmasters.bsky.social · 21/07/2025
Drought is climate change’s biggest threat, since it impacts both food and water.
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Daniel Swain @weatherwest.bsky.social · 07/07/2025
This (nearly 2 hour long!) livestream discussing the meteorology and broader context surrounding the Texas flood disaster was recorded live, and is now available in its entirety at link below. Journalists: as always, please feel free to pull any audio/video content from this recorded broadcast.
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EORC - Earth Observation Research Cluster @earth-observation.org · 28/06/2025
After a great week at #LPS25 with diverse #remotesensing research topics our staff and students are heading back - thanks a lot to @esaearth.esa.int for this fantastic event and we are looking forward to #LPS28! In the meantime follow us for #EarthObs news @jsrieder.bsky.social @schwalb-willmann.de
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Joseph D. Ortiz @earthsciinfo.bsky.social · 19/06/2025
Big paper on global CO2 emissions. Some context - If the remaining carbon budget to 1.5C is 130 GtCO2 & global emissions are 37.8 GT/y, we are ~4 yrs away from reaching that level. The longer we wait to #StopBuringFossilFuels, the worse the damage. #KeepItInTheGround 🧪🔌💡☀️💨🔋
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Melaine Le Roy @subfossilguy.bsky.social · 19/06/2025
Did you know a new glacial lake is threatening a French Alps valley? 🧊🌊 It is located in Vanoise N.P. (Grand Marchet Gl.) above Pralognan whose campsite will remain closed all summer! Drainage work (due to start on Monday) raises many (ethical) questions www.montagnes-magazine.com/actus-menace...
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Simon Gascoin @sgascoin.bsky.social · 30/04/2025
We have generated a Landsat-based dataset to characterize the snow melt-out date in the Pyrenees, Alps, and Greater Caucasus. Data and code available! www.nature.com/articles/s41... by Bayle et al.
nature.com
Snow melt-out date (SMOD) change spanning four decades in European temperate mountains at 30 m from Landsat time series - Scientific Data
Scientific Data - Snow melt-out date (SMOD) change spanning four decades in European temperate mountains at 30 m from Landsat time series
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Jacquelyn Gill @jacquelyngill.bsky.social · 13/04/2025
I really appreciated @hankgreen.bsky.social’s dire wolf video, which is really worth watching. He breaks down the science, the hype, and why it’s important to tell the truth about extinction: youtu.be/Ar0zgedLyTw?...
youtu.be
They Didn't Make Dire Wolves, They Made Something…Else
YouTube video by hankschannel
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Michael Battalio @battalio.com · 11/04/2025
Cuts to #science of >50% at NASA and >75% at NOAA would end US climate and space science research. NASA cuts are '...an "extinction level" event': arstechnica.com/space/2025/0... "At this funding level, Office of Oceanic and Atmospheric Research is eliminated...": www.science.org/content/arti...
Graph of science funding of NASA from 1980 until present with estimated 50% cut included.  This drops NASA Science to under $4B.  Image source:  Casey Dreier/The Planetary Society
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Paul Voosen @voosen.me · 11/04/2025
BREAKING from @science.org: The Trump admin is seeking to kill nearly all climate research at NOAA, its climate science agency. Its near-final budget proposal would end all NOAA research labs, academic institutes, and regional climate centers. And it wants to fully end the NOAA Research division.
science.org
Trump seeks to end climate research at premier U.S. climate agency
White House aims to end NOAA’s research office; NASA also targeted
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Mongabay @mongabay.com · 10/04/2025
Almost half of global average temperature rise and a third of sea-level rise can be attributed to the world’s 122 largest fossil fuel and cement producers, a recent paper shows. By 2300, greenhouse gases from the companies’ past production could result in 35 centimeters of sea-level rise.
news.mongabay.com
122 companies responsible for a third of present day sea-level rise: Study
What’s new: Almost half of global average temperature rise and a third of sea-level rise can be attributed to the “carbon majors,” the world’s 122 largest fossil fuel and cement producers, a recent…
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Tamlin Pavelsky @globalhydro.bsky.social · 19/03/2025
Do you work on lakes globally? Check out what is, to my mind, the most complete global database of lakes (~6M) and associated attributes, newly published in WRR. Also the basis for SWOT lake data. agupubs.onlinelibrary.wiley.com/doi/full/10....
Map of global lake distribution, colored by the number of SWOT overpasses per 21 day cycle. There are many lakes with a high number of SWOT overpasses at high northern latitudes, but there are also tens of thousands to more than a million lakes on every continent. Lakes are graphed by latitude and longitude on the edges of the figure.
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Mongabay @mongabay.com · 05/04/2025
In Uttarakhand, extreme weather events like droughts, erratic rainfall and hailstorms have severely affected farming, leading to lower crop yields, increased pests and financial distress for farmers and are also impacting tourism and small businesses. Read more:
news.mongabay.com
Uttarakhand’s extreme weather wreaks havoc on crops, livelihoods & futures
Rita grew up in a small village in Uttarakhand with mountains forming the backbone of her childhood. In a recent call with her sister, she laughed, repeating a little rhyme they used to recite as…
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Our World in Data @ourworldindata.org · 26/03/2025
Rising global temperatures can influence the timing of events, such as when crops are ready to plant and harvest and when flowers and trees bloom. One example is the timing of the peak cherry tree blossom in Kyoto, Japan, where records stretch back to the ninth century — that’s over 1200 years.
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Melaine Le Roy @subfossilguy.bsky.social · 21/03/2025
Gorner Glacier 1930 | 2022 The second largest glacier in the Alps (towered by second highest peak, Monte Rosa) retreated 2.7 km over this period! 🧊📈 @vaw-glaciology.bsky.social
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Climate Risk Economics @climateeconomics.bsky.social · 20/03/2025
UK must spend £1.5bn a year on flood defences to protect public, experts warn Researchers cite £2.4bn annual cost of flooding and say 2 million people and a third of England’s critical infrastructure are at risk www.theguardian.com/environment/...
theguardian.com
UK must spend £1.5bn a year on flood defences to protect public, experts warn
Researchers cite £2.4bn annual cost of flooding and say a third of England’s critical infrastructure is at risk
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Zack Labe @zacklabe.com · 19/03/2025
And now the regional temperature anomalies across the #Arctic over the last 12 months... Data from ERA5 reanalysis at doi.org/10.24381/cds...
Twelve polar stereographic maps showing 2-m air temperature anomalies in the Arctic from March 2025 to February 2025. Blue shading is shown for colder anomalies, and red shading is shown for warmer anomalies. All months are warmer than average overall. Anomalies are computed relative to a 1981-2010 baseline.
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Melaine Le Roy @subfossilguy.bsky.social · 18/03/2025
Viedma Glacier (Patagonia, ARG) 1931 | 2025 Hot from the camera! 🔥 Few days ago, IANIGLA researchers were at Viedma to repeat a photography by De Agostini, first scientific explorer of the area! 🧊❄️🏔️ Beware of distances! 🔭 In the meantime, The glacier has lost 5.2 km in length! 📏 📷 R. Villalba
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Erik Nordman @eriknordman.bsky.social · 13/03/2025
"From 2000-2023, direct U.S. losses from natural disasters attributed to climate change totaled $700 billion, but the harms to productivity were almost six times greater, amounting to $4 trillion in losses."
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Angelo Villagomez @taotaotasi.bsky.social · 12/03/2025
I don't understand why 50,000 people need to go to this conference every year www.bbc.com/news/article...
bbc.com
Amazon rainforest cut down to build highway for COP climate summit
The infrastructure required to host climate talks in Belém is undermining the cause, campaigners say.
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Yadvinder Malhi @ymalhi.bsky.social · 07/03/2025
In our new paper in @science.org, we show that tropical forests are changing over time, but too slowly to track climate change. Our article, led by @jeaggu.bsky.social just out: www.science.org/doi/10.1126/... @oxfordgeography.bsky.social @naturerecovery.bsky.social @forestplots.bsky.social
science.org
Tropical forests in the Americas are changing too slowly to track climate change
Understanding the capacity of forests to adapt to climate change is of pivotal importance for conservation science, yet this is still widely unknown. This knowledge gap is particularly acute in high-b...
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Wouter Dorigo @wouterdorigo.bsky.social · 08/03/2025
We can also add Austria to this sad list of winter wildfires: noe.orf.at/stories/3296...
noe.orf.at
Brennendes Auto löste Waldgroßbrand aus
Ein Waldbrand in Schwarzau im Gebirge (Bezirk Neunkirchen) hat Samstagmittag einen Großeinsatz der Feuerwehr und Polizei ausgelöst. Das Feuer breitete sich im hochalpinen Gelände aus. Ursache soll ein...
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Sabrina Imbler @sabs.bsky.social · 07/03/2025
I spoke with Sabrina Valenti, a NOAA budget analyst fired under the DOGE layoffs, about the work she did and her fears for NOAA's future defector.com/an-interview...
defector.com
An Interview With A Fired NOAA Budget Analyst | Defector
Growing up, Sabrina Valenti felt like she was genetically predetermined to work for the government. Her dad’s father was in the Navy. Her dad was in the Air Force. Two of her uncles served in the arme...
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Yadvinder Malhi @ymalhi.bsky.social · 06/03/2025
Tropical forests are not all the same: they show many shades of geographical variation. Our new paper in Nature led by @jeaggu.bsky.social combines field and satellite data to make a first map the canopy functional traits of the world’s tropical forests: www.nature.com/articles/s41...
nature.com
Canopy functional trait variation across Earth’s tropical forests - Nature
Data from a variety of sources—including satellite, climate and soil data, as well as field-collected information on plant traits—are pooled and analysed to map the functional diversity of tropical fo...
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Sam Burgess @oceanterra.org · 06/03/2025
Latest @copernicusecmwf.bsky.social data shows One of the consequences of a warmer world is melting sea ice. 📉 Daily global sea ice extent reached a new all-time minimum 🌡️ February 2025 was 3rd warmest February globally, 1.59°C above the 1850-1900 average 🌍🛰️🌡️⚒️🧪🌊 #ClimateAction
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Mongabay @mongabay.com · 05/03/2025
New research finds that a reforestation and agroforestry project on Indigenous land in Panama missed its carbon sequestration goal, but returned better-than-average results and had many other benefits. It brought benefits to the local community in terms of extra income and food security.
news.mongabay.com
Agroforestry stores less carbon than reforestation, but has many other benefits, study finds
A recent study in Ecological Solutions and Evidence shows just how complicated and challenging it is to achieve carbon sequestration goals through forest management — but not impossible. The research ...
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Jacquelyn Gill @jacquelyngill.bsky.social · 04/03/2025
As my friend @drshepherd2013.bsky.social says, asking why we need a National Weather Service when we have apps and the Weather Channel is like asking why we need potato farmers when we can buy fries at McDonalds.
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Melaine Le Roy @subfossilguy.bsky.social · 28/02/2025
Distressing snow conditions across the Alps! 🔥 At (what should be) the peak of the winter season! 😱 91 cm at Rudolfshütte, 2317 m (Salzburg, AT) 17 cm at Ristolas, 1665 m (Queyras, FR) 1 cm at Sella Nevea, 1124 (Julian Alps, IT) @wetterblogat.bsky.social @gaetanheymes.bsky.social @aametsoc
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Ground Truth Forest News @groundtruth.app · 24/02/2025
🌍 Reforestation & Forest Restoration: A Climate and Biodiversity Solution 🌿 Tropical forests can regain 50% of their carbon stocks in 20 years, reaching 90% in 60-70 years​. 👉👉 Read the report here: files.ipbes.net/ipbes-web-pr... #Reforestation #ClimateAction #ForestRestoration #Biodiversity
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Nicolas Mainville @carbonick.bsky.social · 24/02/2025
WAKE UP CALL: More than half the world’s countries have no plans to protect 30% of land and sea for nature, despite committing to a global agreement to do so less than three years ago, new analysis shows 🌎🧪 #biodiversity www.theguardian.com/environment/...
theguardian.com
More than half of countries are ignoring biodiversity pledges – analysis
Many of the nations gathering in Rome for Cop16 have offered no plans to honour their agreement to protect 30% of land and sea for nature
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Tim Baxter @timinclimate.naruresearch.com.au · 22/02/2025
New Honest Government Ad on the major parties rorting electoral law in their favour just before the next election. 👇 They have given up on your vote, and this is all they have left. (Also, how come there's a new actor, but she has the same voice! 😳)
youtu.be
Honest Government Ad | Our Last Fair Election?
YouTube video by thejuicemedia
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Steven Bernard @sdbernard.bsky.social · 20/02/2025
NEW: This week's climate graphic looks at global glacier mass loss. ~273 gigatonnes of ice has been lost each year since 2000, enough water for the world's population for 30 years. Read @attractamooney.bsky.social's report www.ft.com/content/12db...
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Melaine Le Roy @subfossilguy.bsky.social · 19/02/2025
'Glacier Mass Balance Intercomparison Exercise' ❄️🧊 Huge effort to gather mass loss estimate outside ice sheets btw 2000 and 2023 📈 Since 2000, 5% ice volume lost globally (273 gigatonnes/yr) 🌊 Guess who 'won'? 🥇 Alps and Pyrenees lost 39% of their 2000 volume! 😲😱 www.nature.com/articles/s41...
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💧🌏 Greg Cocks @kiwiincolorado.bsky.social · 19/02/2025
#Glacier #Melt Intensifying #Freshwater #Loss & Accelerating #SeaLevelRise - alturl.com/v28i9 - alturl.com/r4sqe - #GIS #spatial #mapping #glacial #global #water #waterresources #watersecurity #sealevel #change #spatiotemporal #ice #snow #climatechange #risk #hazard #ecosystems #remotesensing #model
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Dave Vetter @davidrvetter.bsky.social · 20/02/2025
As HSBC delays its net zero target by 20 years, time for a quick look back at how executives at the bank have characterized climate change.
forbes.com
‘Who Cares If Miami Is 6 Meters Underwater In 100 Years?’: HSBC Executive’s Incendiary Climate Comments
A senior executive at HSBC bank has claimed that “investors should not worry about climate risk,” sparking widespread concerns about the financial sector's real view of the climate crisis.
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Franciska de Vries 🟥 @frantecol.bsky.social · 11/02/2025
On #InternationalDayofWomenandGirlsinScience let me remind you that we are NOWHERE NEAR parity. A few examples. 1. Women are credited less in science than men. www.nature.com/articles/s41...
nature.com
Women are credited less in science than men - Nature
The difference between the number of men and women listed as authors on scientific papers and inventors on patents is at least partly attributable to unacknowledged contributions by women scientists.
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ICOS RI @icos-ri.eu · 23/01/2025
❗Finland’s #forests have become a source of carbon, according to the preliminary inventory data from @luke.fi. The change is attributed to increased logging, rising emissions in #peatland forests and declining #carbon sink of mineral soils. ➡️ Read more: www.icos-cp.eu/news-and-eve...
icos-cp.eu
Finland's forests have become a source of carbon
The latest preliminary data from Finland's 2023 greenhouse gas inventory reveals that forests have shifted from being a carbon sink to a carbon source. The latest inventory indicates that forests beca...
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Damian Carrington @dpcarrington.bsky.social · 21/01/2025
A third of the Arctic’s vast carbon sink now a source of emissions, study reveals #climatecrisis www.theguardian.com/environment/...
theguardian.com
A third of the Arctic’s vast carbon sink now a source of emissions, study reveals
Critical CO2 stores held in permafrost are being released as the landscape changes with global heating, report shows
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Jens-Christian Svenning @jcsvenning.bsky.social · 01/01/2025
The evidence for Homo sapiens playing the dominant role in the global #megafauna #extinctions constitutes one of the clearest, well-supported patterns in #ecology. See our 2024 review www.cambridge.org/core/journal... #paleobiology #archeology #hunting #ecosystem #Pleistocene #defaunation #rewilding
cambridge.org
The late-Quaternary megafauna extinctions: Patterns, causes, ecological consequences and implications for ecosystem management in the Anthropocene | Cambridge Prisms: Extinction | Cambridge Core
The late-Quaternary megafauna extinctions: Patterns, causes, ecological consequences and implications for ecosystem management in the Anthropocene - Volume 2
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Mongabay @mongabay.com · 15/12/2024
Subsidies for forest biomass energy in Japan and South Korea are contributing to deforestation in Southeast Asia, according to an October 2024 report by environmental NGOs. The biomass industry is expanding especially quickly in Indonesia. Read more:
news.mongabay.com
Indonesian forests put at risk by South Korean and Japanese biomass subsidies
Biomass energy subsidies in South Korea and Japan are threatening Southeast Asia’s tropical forests, warns a new report by environmental NGOs. Of particular concern is the nascent but rapidly growing ...
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Felipe Melo @fplmelo.bsky.social · 10/12/2024
In this paper, we elucidate the mechanism of “winner-loser replacement” that occurs in tropical landscapes when they become fragmented and subjected to other human-caused disturbances and disentangle the effects of landscape structure and local degradation. www.nature.com/articles/s41...
nature.com
Winner–loser plant trait replacements in human-modified tropical forests - Nature Ecology & Evolution
Tropical forest landscapes are increasingly being modified by human activities. Here the authors apply a causal inference approach to Neotropical forest data to disentangle the role of landscape-level...
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Richard Waite @waiterich.bsky.social · 14/12/2024
Also, I like showing this graphic to highlight that 1.5C isn’t a “magic tipping point” beyond which all is lost. Every fraction of a degree matters, and staying within 1.5C is better than 1.6, 1.6 better than 1.7, etc. Original graphic by @worldresources.bsky.social: www.wri.org/insights/hal... 🧪
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World Resources Institute @worldresources.bsky.social · 12/12/2024
Grasslands—including grassy shrublands & savannas—cover ~40% of Earth, supporting 1B+ people & storing vital carbon. Yet, only 10% are protected. The #GlobalPastureWatch research consortium is creating groundbreaking data to monitor & protect these critical ecosystems. bit.ly/gpw2024
bit.ly
About the Global Pasture Watch Research Consortium
Mapping the extent, management and condition of the world’s grasslands
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Antoine Champreux @toinechampreux.bsky.social · 06/12/2024
🌍 Crowd-sourced trait data can be used to delimit global #biomes 🌳🌲🌱🌿🍃 Scheiter et al. 👉 bg.copernicus.org/articles/21/... #Biogeography #vegetation #FunctionalTraits #ecology 🌐
Figure 7 from S. Scheiter et al. 2024 showing 3 world maps representing the predicted and observed biome maps, as well as the areas where they agree or disagree.
Caption from the paper: Global biomes derived from traits. Using species distribution models and bioclimatic data, biome patterns derived from the spatial
coverage of the trait data were extrapolated to the global scale. Here, results from trait cluster 1 and the Nature Conservancy (2009) biome map were used. Biomes: 1, tropical subtropical moist broadleaf forest; 3, tropical subtropical grassland savanna and shrub; 4, tropical subtropical dry broadleaf forest; 5, tropical subtropical coniferous forest; 6, flooded grassland and savanna; 7, desert and xeric shrub; 8, montane grassland and shrub; 9, mediterranean forest woodland and scrub; 10, temperate broadleaf and mixed forest; 11, temperate grassland savanna and shrub; 12, temperate conifer forest; 13, boreal forest/taiga; 14, tundra. Publisher’s remark: please note that the above figure contains disputed territories.
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Prof Richard Betts @richardabetts.bsky.social · 07/12/2024
Don’t miss out climate models from regional impacts studies just because they have high climate sensitivity! We (Swaminathan et al) find EffCS is not a good constraint on regional impacts So, you could miss out important and realistic information agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Global map highlighting several key climate regions, surrounded by graphs for those regions showing frequency distributions of flood, drought and fire indicators for 2 groups of climate models: effective climate sensitivity above and below 4.5C. The distributions overlap either substantially or entirely in all graphs.
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Lewis Pugh @lewispugh.bsky.social · 03/12/2024
The Climate Crisis might feel like a slow burn, but the clock is ticking faster than we think. We’re in uncharted territory now. 🎥: @edhawkins.org
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💧🌏 Greg Cocks @kiwiincolorado.bsky.social · 02/12/2024
[Currently] Unexplained #HeatWave #Hotspots Are Popping Up Across Globe - alturl.com/yi86t - doi.org/10.1073/pnas... - #GIS #spatial #mapping #climatechange #global #model #modeling #temperature #publicsafety #publichealth #extremeweather #globalwarming #spatiotemporal #foodsecurity #watersecurity
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Nicolas Mainville @carbonick.bsky.social · 01/12/2024
#Desertification: The degraded area is already 15 million km2, an area greater than Antarctica, the scientific report says, and it calls for an urgent course correction to avoid land abuse “irretrievably compromising Earth’s capacity to support human and environmental wellbeing” 🌐🌎
theguardian.com
Land degradation expanding by 1m sq km a year, study shows
Report calls for course correction to avoid land abuse ‘compromising Earth’s capacity to support human and environmental wellbeing’
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Richard Waite @waiterich.bsky.social · 29/11/2024
Yep. Globally, croplands have expanded by more than *100 million hectares* since the turn of the century, and gross expansion (mostly in the tropics) is more than twice that amount (218 Mha). This, along with pasture expansion, is a major driver of tropical deforestation. 🧪
wri.org
5 Takeaways on Cropland Expansion and What It Means for People and the Planet
According to a landmark new study, 102 million hectares (Mha) (252 million acres) of land — an area the size of Egypt — have been converted to crops since the start of the 21st century. To put this in...
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Ayesha Tandon @ayeshatandon.carbonbrief.org · 18/11/2024
I'm super excited to share @carbonbrief.org's new and improved attribution map! Use the map to explore 600+ extreme weather attribution studies from all around the world: buff.ly/3URzsmI And check out my in-depth Q&A on attribution for all you need to know about this evolving field: buff.ly/4hRt4Gc
buff.ly
Mapped: How climate change affects extreme weather around the world - Carbon Brief
Attribution studies calculate whether, and by how much, climate change affected the intensity, frequency or impact of extremes – Carbon Brief has mapped every published study on how climate change has...
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