Synthetic greenhouse gases
Top-down emission estimates of HFCs, SF6 and CFCs over Europe, compared with national inventories to test whether the EU F-gas regulation is cutting emissions as intended.
Environ. Sci. Eur. 2025Climate scientist · University of Galway
Saurabh Annadate, Ph.D.
I use atmospheric observations and inverse modelling to estimate how much greenhouse gas is really being emitted, and to check whether climate policy is working.
1850
Each stripe is one year of global temperature. The last decade is the warmest on record.
2024
8
peer-reviewed papers
5+
climate-relevant species studied, from HFCs and SF6 to black carbon
3
countries of research: India, Italy and Ireland
About
Following emissions from the atmosphere back to their source
I am a climate scientist and researcher at the University of Galway, working at the intersection of atmospheric modelling and observations, with a focus on inverse modelling methods.
My current research focuses on estimating greenhouse gas emissions using a top-down (inverse modelling) approach. I study emissions of potent greenhouse gases, both long-lived species (e.g., CFCs, HFCs, N2O) and short-lived species (e.g., black carbon, propane).
I received my Ph.D. in Atmospheric Science from Scuola Superiore Studi Pavia (IUSS), Italy in 2025, and my integrated B.S.–M.S. in Physics from the Indian Institute of Science Education and Research (IISER) Mohali, India in 2021.
- Emission estimation
- Air quality
- Climate change
- Remote sensing
- Machine learning
Research
What I work on
Short-lived climate forcers
Black carbon emissions from Europe and long-term trends in atmospheric propane, built on observations from the WMO-GAW station at Monte Cimone.
Atmos. Chem. Phys. 2026Inverse modelling methods
Bayesian inversion frameworks that turn atmospheric measurements into emission maps, and how sensitive those estimates are to the choices inside the model.
Atmosphere 2024Approach
How I work
Observations first
Emission estimates should be tested against what the atmosphere actually measures, not only what inventories report.
Open and reproducible
Methods, uncertainties and code should be transparent enough for others to check and build on.
Science that informs policy
Independent, top-down numbers help show whether climate regulation is delivering real reductions.
Publications
Selected papers
- 2026
- 2026
- 2025
- 2024
News
Recent updates
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New paper published in Atmospheric Chemistry and Physics (ACP): “Long-term analysis of atmospheric propane over Southern Europe based on observations conducted at the WMO-GAW station of Monte Cimone”.
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Started as Postdoctoral Researcher at the University of Galway.
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Delivered a talk at the European Aerosol Conference (EAC 2025) in Lecce, Italy, on black carbon emissions from Europe.
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Presented a poster at the 21st International Workshop on Greenhouse Gas Measurements from Space (IWGGMS-21) in Takamatsu, Japan, on black carbon emissions from Europe.
Climate context
175 years of warming, one stripe per year
Global temperature anomalies from 1850 to 2024, shown as warming stripes (#ShowYourStripes). Blue years were cooler and red years warmer than average. Hover over a stripe to see the year.