Click here or on the image to access calculators, tools, and support information for emissions and pollution modelling
Sunday, December 22, 2024
Saturday, December 21, 2024
Op-Ed - Carbon emissions from tourism are rising disproportionately fast
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Resource Material - Planetizen’s Top Urban Planning Books of 2024
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Op-Ed - Over 5,600 wood burning complaints led to just four fines
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Op-Ed - Cambodia urged to rethink its costly LNG ambitions
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Friday, December 20, 2024
Book - Air Quality - Science, Impacts, and Management
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Accumulated Rainfall (Precipitation) in the last 24 hours - Gridded Daily Totals from Indian Meteorological Department
This image is sourced from Dr. Robbie Andrew @ CECIRO
Visit all India meteorology and air quality forecasts for wind speeds, wind directions, surface temperatures, ground-level temperature, and mixing heights. Updated everyday around 7PM IST.
Precipitation (rainfall) and 2m-Temperature forecast for the next 3-days (India and the Sub-Continent)
For details visit All India meteorology and air quality forecasts. Other parameters include wind speeds, wind directions, surface temperatures, ground-level temperature, and mixing heights. Updated everyday around 7PM IST.
Data Resource - Climate Trends - Global Monthly Mean N2O Concentrations
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Data Resource - Climate Trends - Monthly Mean CO2 Concentrations @ Mauna Loa Observatory
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Data Resource - Climate Trends - Daily Surface Air Temperature (World - ECMWF Reanalysis ERA5)
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Data Resource - Climate Trends - Global Methane Monthly Means
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Journal Article - Mountain of coal at U.S. power plants a new threat to coal industry
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Op-Ed - The clean energy transition is an economic imperative for Japan’s new government
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Op-Ed - Prioritising methane abatement makes economic sense
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Journal Article - AI weatherman: the DeepMind researcher making faster, more accurate forecasts
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Thursday, December 19, 2024
Journal Article - Equations to Predict Carbon Monoxide Emissions from Amazon Rainforest Fires
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Op-Ed - How the UK plans to reach clean power by 2030
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Health Impacts - New research links sulfur dioxide pollution with depression
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Op-Ed - Insurers Are Deserting Homeowners as Climate Shocks Worsen
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Op-Ed - Pakistan and Bahamas join push for global pact to phase out fossil fuels
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Journal Article - To Monitor Greenhouse Gas Emissions Nationwide, U.S. Enlists Passenger Plane
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Op-Ed - LISTEN: Reflections on the first five years of the Agents of Change program
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Op-Ed - Alert fatigue: The phrase that defined our climate in 2024
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Humor in Pollution - How Delhi Copes with the Air Crisis
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Tuesday, December 17, 2024
Precipitation (rainfall) forecasts for the next 3 days - Chennai, India
For details visit City-level meteorology and air quality forecasts. Other parameters include wind speeds, wind directions, surface temperatures, ground-level temperature, and mixing heights. Updated everyday around 7PM IST.
Precipitation (rainfall) forecasts for the next 3 days - Goa, India
For details visit City-level meteorology and air quality forecasts. Other parameters include wind speeds, wind directions, surface temperatures, ground-level temperature, and mixing heights. Updated everyday around 7PM IST.
Can We Benefit from Blaming Meteorology for Air Pollution Problems?
Mathematics relates to the “quantification” of the problem. Pollution (in the units of μg/m3) is defined as mass over volume, where mass is the emission load and volume is the amount of air present.
In the summer months, a higher volume of air means more room for lateral and vertical mixing, and vice versa for the winter months. For the same amount of emissions in all the months, concentrations are bound to be higher in the winter months and lower in the summer months. For “clean air” and lower concentrations, the requirement is either higher inversion layer height or lower emissions. It is next to impossible to alter meteorology; however, reducing emissions should be relatively easy. The infograph below is from "ABC's of Air Quality".
A rendition of Einstein's equation of relativity E=mc2 is for our case is below. Using this equation in a box model or a more complicated version (like an Eulerian equation) in an advanced chemical transport model, we can simulate the influence of the meteorological parameters on local air quality, but that doesn't solve the air pollution problem. We cannot control the wind speeds, wind directions, precipitation rates, or the mixing heights. The only logical way to reduce the right hand side is by altering the emissions on the left side (which will automatically alter the chemistry).
Basic mathematics, physics, and chemistry of air pollution are explained in this publication "Can We Vacuum Our Air Pollution Problem Using Smog Towers?"
Box model to study pollution dynamics is available as part of our sim-air family of tools.
An older poster on meteorology vs pollution is available here and more similar inforgraphics are available here.
Journal Article - A city-level evaluation of the development of a Beautiful China
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Op-Ed - Reflections on 28 years of advocacy on air quality and sustainable transport
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Journal Article - Are cities ready to synergise climate neutrality and air quality efforts?
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