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Davy Vanham

@davyvanham.bsky.social
113 followers 76 following 15 posts

Scientist in local to global water management at @CGIAR.org International Water Management Institute (IWMI), based in Sri Lanka water accounting; spatial hydrology; water scarcity; water & climate change; water footprint; ecohydrology; WEFE nexus

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Reposted by Davy Vanham
Peter Gleick @petergleick.bsky.social · 11/08/2026
My new op-ed in The Guardian is up today. Drought, #water rationing and dry rivers: our water crisis is here | Peter Gleick | The Guardian www.theguardian.com/commentisfre...
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Drought, water rationing and dry rivers: our water crisis is here | Peter Gleick
It doesn’t have to be this way. We know what needs to be done
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Davy Vanham @davyvanham.bsky.social · 20/07/2026
New IWMI policy brief "A New Spatial Inventory of Power Plants Shows Africa Is Stepping up in Construction and Planning up to 2030" hdl.handle.net/10568/183139 Based on our recent @natcomms.nature.com paper doi.org/10.1038/s414... @iwmi.bsky.social @cgiar.org @petergleick.bsky.social
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Davy Vanham @davyvanham.bsky.social · 16/07/2026
Africa is stepping up in planning and constructing additional power plants up to 2030, increasing power generation 57%, water use 73%, CO2 19% New open access database of 3,139 power plants in @natureportfolio.nature.com's NatComms, @cgiar.org's @iwmi.bsky.social led study 👉 doi.org/10.1038/s414...
doi.org
Forecast on Africa’s power production up to 2030 with related water use and CO2 emissions - Nature Communications
Africa is stepping up in planning and constructing power plants up to 2030 with renewables’ share growing from 19% to 34%. An inventory of 3139 plants forecasts a 57% increase in electricity productio...
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Reposted by Davy Vanham
Peter Gleick @petergleick.bsky.social · 09/03/2026
My new opinion piece on the recently reported attacks on desalination plants in the Middle East. #water #desalination #iranwar thebulletin.org/2026/03/desa...
thebulletin.org
Desalination, water, and war
Attacks on civilian systems, including water systems, must be condemned and punished under the laws of war.
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Dr. Jonathan Foley @globalecoguy.bsky.social · 19/02/2026
Very proud that Project Drawdown scientists contributed to this effort to map greenhouse gas emissions from agriculture. Important work! This helps us highlight where the biggest problems are, and where we need to focus our solutions work. www.nature.com/articles/s41...
nature.com
Spatially explicit global assessment of cropland greenhouse gas emissions circa 2020 - Nature Climate Change
Emissions from croplands are an important source of GHG emissions that can be shaped by management. This study presents maps of emissions globally for different crops, showing that drained peatlands, ...
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Davy Vanham @davyvanham.bsky.social · 07/01/2026
New blog published today about @cgiar.org's recent paper "Global spatially explicit crop water consumption shows an overall increase of 9% for 46 agricultural crops from 2010 to 2020" in @natfood.nature.com 👉 doi.org/10.1038/s430... smartwatermagazine.com/blogs/davy-v...
smartwatermagazine.com
Global crop water use rose 9% in a decade: New data and an open model reveal where and why
Recent research published in Nature Food shows that global crop water use has increased by 9% within the past decade (from 2010 to 2020), indicating gro...
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Davy Vanham @davyvanham.bsky.social · 24/10/2025
Great to see our @iwmi.bsky.social study Chukalla et al on "global crop water 💦 footprints" doi.org/10.1038/s430... on the front cover page of @natureportfolio.nature.com 's @natfood.nature.com October edition 👉 www.nature.com/natfood/volu...
nature.com
Nature Food - Global crop water footprints
Crop production accounts for the largest share of global green and blue water use. In 2020, 5.6 trillion m3 of green water and 1.2 trillion m3 of blue water...
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Davy Vanham @davyvanham.bsky.social · 12/10/2025
Our Nature Food paper: Global crop water consumption has increased 9% from 2010 to 2020 mainly driven by maize 🌽soybeans groundnuts 🥜 sugarcane and cassava paper 👉 doi.org/10.1038/s430... @dpcarrington.bsky.social @mirandawrites.bsky.social @ianjames.bsky.social @cgiar.org @vmischitz.bsky.social
doi.org
Global spatially explicit crop water consumption shows an overall increase of 9% for 46 agricultural crops from 2010 to 2020 - Nature Food
Using the most recent Spatial Production Allocation Model 2020 crop data, agricultural green and blue water consumption is estimated. Water use increased by up to four-fifths for major crops in the past two decades.
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Davy Vanham @davyvanham.bsky.social · 06/10/2025
New open-access paper in Nature Food: Global spatially explicit crop water consumption shows an overall increase of 9% for 46 agricultural crops from 2010 to 2020 doi.org/10.1038/s430... * new robust yet easy to use open access tool CropGBWater * all results open access doi.org/10.5281/zeno...
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Reposted by Davy Vanham
IPCC @ipcc.bsky.social · 19/09/2025
Registration for experts interested in serving as Expert Reviewers and providing scientific comments on the First Order Draft of the Special Report on Climate Change and Cities is now open! Register here: apps.ipcc.ch/comments/src... ⚠️ Registration closes 30 Nov2025 🔗 www.ipcc.ch/2025/09/17/p...
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IPBES @ipbes.net · 02/09/2025
🌍@unep.org’s Freshwater Ecosystems Explorer reveals pollution, shrinking lakes, & climate impacts on rivers worldwide. But recovery is possible—some water bodies are bouncing back! 🧪
bit.ly
This data platform charts the health of nearly every freshwater body on Earth. Here’s what it reveals
The Freshwater Ecosystems Explorer offers what experts call an unprecedented look at the world’s lakes, rivers and wetlands, which are increasingly under pressure from things like climate change.
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Davy Vanham @davyvanham.bsky.social · 12/06/2025
Happy to have contributed
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PNAS Nexus @pnasnexus.org · 30/04/2025
As consumption of antibiotics has risen around the world, so has antibiotic pollution of rivers. A model identifies the rivers most likely affected and the drugs most likely to be found in the water. In PNAS Nexus: academic.oup.com/pnasnexus/ar...
Environmental exposure levels of antibiotics in global rivers. Total risk quotient is calculated as the sum of individual risk quotients of all 40 antibiotics in the global river system under low-flow conditions.
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Reposted by Davy Vanham
Marijke Huysmans @marijkehuysmans.bsky.social · 18/05/2025
Voor alles een eerste keer. Een live tafelgesprek op nationale televisie is best wel spannend maar ik denk dat de boodschap over hoe weerbaarder worden tegen droogte duidelijk was. Terugkijken kan hier vanaf minuut 23: www.vrt.be/vrtmax/a-z/d...
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Dr. Jonathan Foley @globalecoguy.bsky.social · 07/04/2025
Guess what?? Investing in climate solutions actually grows your economy. www.theguardian.com/environment/...
theguardian.com
Tackling climate crisis will increase economic growth, OECD research finds
Third of global GDP could be lost this century if climate crisis runs unchecked, says report
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CGIAR @cgiar.org · 31/03/2025
#CGIARScienceWeek 2025 is just 1 week away! 🌟 🌱 With the launch of the new CGIAR Research Portfolio and an agenda packed with cutting-edge science, this is a key moment in agrifood systems. Are you ready to join us? ▶ events.cgiar.org/scienceweek #WithScienceWeCan
events.cgiar.org
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Reposted by Davy Vanham
Nature Portfolio @natureportfolio.nature.com · 09/03/2025
A study in Nature Food assesses the future climatic suitability of global croplands for 30 major food crop types, quantifying the changes in potential food crop diversity given climate conditions across four global warming levels. go.nature.com/3Dp5LEk #foodstudies 🧪
This is figure 1, which shows the lowest global warming level that would push current crop production into considerable risk.
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Reposted by Davy Vanham
Ben Chrisinger @bchrisinger.bsky.social · 14/03/2025
Attn: universities/journals who are still stuck on X #academicsky
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International Water Management Institute @iwmi.bsky.social · 18/02/2025
🌍 Welcome to IWMI on Bluesky! Together, let’s reimagine a world where water is managed wisely, sustainably, and equitably. Follow us, join the journey, and let’s strive forward for a future where every drop makes a difference. 💧✨ #OneCGIAR
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Davy Vanham @davyvanham.bsky.social · 19/02/2025
I am looking for 2 Sri Lankan interns to work at the International Water Management Institute (IWMI) in Colombo Job description: apply.workable.com/internationa...
apply.workable.com
Research Intern - International Water Management Institute
The International Water Management Institute (IWMI), a CGIAR Research Center, is seeking applications from enthusiastic individuals who are interested in contributing to the activities of the Foresigh...
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Reposted by Davy Vanham
CGIAR @cgiar.org · 05/02/2025
The countdown begins! 🎉 In just 2 months, Nairobi will host CGIAR Science Week 2025 🌟 Be part of the movement shaping a sustainable future! Are you ready to join us? Save the date: April 7-12, 2025. Visit events.cgiar.org/scienceweek to learn more and register. #CGIARScienceWeek
text on an orange card: CGIAR Science Week is 2 months away
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Davy Vanham @davyvanham.bsky.social · 10/02/2025
Yesterday afternoon power cut at home here in Colombo, with 32 degrees tropical heat Reason, A monkey 🐒 crashed the national grid... 😬😮 Ecosystem-water-energy-food nexus? www.theguardian.com/world/2025/f...
theguardian.com
‘Total chaos’: Monkey blamed for nationwide power cut in Sri Lanka
Energy minister says monkey ‘came into contact with grid transformer’, causing hours-long outage in sweltering heat
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Reposted by Davy Vanham
Stelios Katsanevakis @skatsanevakis.bsky.social · 07/02/2025
Pollution isn’t just out there, it’s inside us! Recent research indicates that human brain tissues contain about 7 g of microplastics, roughly the weight of a plastic spoon! Individuals diagnosed with #dementia had up to 10 times more microplastics in their brains. www.nature.com/articles/s41... 🧪
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Davy Vanham @davyvanham.bsky.social · 05/02/2025
Great to have been contributing to the @ipbes.net #NexusAssessment report. Happy it has been approved by the Plenary at #IPBES11 Summary for policy makers available www.ipbes.net/nexus/media-... Final full report coming soon
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Davy Vanham @davyvanham.bsky.social · 30/01/2025
Looks very interesting, in a top location, Innsbruck Would love to contribute, but won't be in Europe in September
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Reposted by Davy Vanham
Ismahane Elouafi @cgiar-emd.bsky.social · 04/12/2024
The world’s food, water, and land systems face unprecedented challenges—and opportunities. I’m excited to see the growing @cgiar.bsky.social community on Bluesky, where we’ll explore solutions to feed the planet and heal our environment. 🦋🌎 Join the conversation! ✨ #WithScienceWeCan #CGIAR
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Davy Vanham @davyvanham.bsky.social · 22/01/2025
Just joined BlueSky, fleeing X
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