I dream of #smellgoodcomposting

Composting at home has received a lot of attention in the media recently. There are many reasons why composting is great: it’s a natural process, a sustainable way to treat organic waste and we can do it at home at very low cost with significant benefits to our gardens and environment.   However, at a…

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Food for thought, manure to energy

How pig farms can benefit from on-farm anaerobic digestion to better manage odour     Anaerobic digestion is a great source of renewable energy that is becoming an important part of the “circular economy” around the world. Livestock farms face several everyday challenges. Managing wastes is definitely one of the more unpleasant tasks. Traditionally, poor…

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What can the NPI tell us about air pollution? – An overview of the 2018-19 NPI results

Written by Simon Welchman and Plistina Almeida   The 2018-19 results from the National Pollutant Inventory were released in April this year. This is the 21st annual dataset published by the program managed by the Australian Government’s Department of Agriculture, Water and the Environment. The National Pollutant Inventory (NPI) is an internet database that provides the…

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Ditching the dump: throwing waste management myths in the bin

Written by Simon Welchman and Plistina Almeida In line with our decade’s resolutions released in January this year, we believe it’s about time to have a closer look at our “Don’t Waste” objectives. Our goal as environmental scientists and engineers has always been to move towards the top of the Waste Hierarchy (Figure 1): avoidance and…

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CO, PM2.5 and NO2: which air pollutant best illustrates the effect of COVID-19 mobility restrictions on air quality

Written by Simon Welchman, Manning Young and Lisa Smith   Air pollution occurs when gases, liquids or solid particles exist in the air in sufficient quantities to adversely affect human comfort or health or cause environmental damage.  Some common air pollutants in urban areas are carbon monoxide (CO), ozone (O3), nitrogen dioxide (NO2) and particulate matter…

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The Victoria Environment Protection Act (EPA) is changing 1 July 2021

Edit: The EPA Victoria issued a note stating that “Following a sitting of Parliament on Thursday 23 April, the legislation has been postponed and is intended to commence on 1 July 2021”.   These changes respond to the Independent Inquiry into the EPA. The Victorian Government proposes two phases of legislative reform to overhaul the Environment Protection Act…

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Mental Health Tips For Working From Home

Written by Tania Haigh We all want to continue being part of a team that delivers high-quality products, and to enjoy the process, regardless of where we are located.  There will be a number of changes we each need to adjust to if we begin working from home for more than a day or two. …

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Katestone’s New Decade Resolution

At Katestone, we are ready for the future! Here are some of our resolutions for the next decade. Join us in making positive changes for a better world! Clear Skies! Reduce Waste Waste less of the earth’s resources Waste less energy Waste less food Use our (and other peoples’!) time wisely Reuse, recycle and repurpose!…

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Katestone celebrates its 30th Anniversary

Last Friday, the 1st of November 2019, we celebrated Katestone’s 30th Anniversary with friends, customers, partners and previous employees at the Regatta Hotel. It was a very pleasant evening where we could celebrate 30 years of contributing to Clear Skies. Katestone’s Managing Director, Christine Killip, spoke of her many memories of working with our great…

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WRF – What is it? CASANZ Training Recap


In February 2019, Katestone’s Senior Consultant, Michael Burchill, attended a four-day training course on the Weather Research and Forecasting Model (WRF). WRF is a prognostic model, which is why Katestone has been using it for years to forecast the weather. Katestone’s interest in WRF, however, is not only for forecasting the weather, but also to…

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Mining Project refused based on climate change – FACT CHECK?

Mine refusal

A recent judgment in the NSW Land and Environment court, regarding the refusal of a coal mine, garnered national and international attention as a landmark ruling in the fight against climate change. But was this really the reason the coal mine was rejected, we were curious and thought you might be too. Let’s take a…

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Our Journey with Power

Power Generation

How do you power your day? You might look at your long-finished cup of coffee or the half eaten toast on your desk – the items that keep your battery going – but what about the power that lights up your home and office, or charges the battery in your car that takes you to…

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What did you have to say about the NPI Review?

NPI Review

In June 2018, the NPI Review Steering Committee released a discussion paper inviting public comment to inform the review of the National Pollutant Inventory (NPI), with submissions closing August 2018. Recently, the NPI published all the public submissions and we were interested in what people had to say, and thought you might be too. Let…

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Feedlot Fumes – The Importance of Odour in Feedlot Design

Cattle Feedlot

Odour is a critical risk to the development of a new cattle feedlot or the expansion of an existing feedlot. Poorly sited or operated feedlots have caused odour nuisance and, consequently, local government and communities may be concerned about new developments. Conversely, there are many feedlots operating throughout Australia that are well designed and managed,…

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Drinks with Kate – Going Virtual – 2nd edition

Friday 19 June 2020, 12:30-1:30 pm Recent social distancing guidelines prevent us from hosting our networking event Drinks with Kate events in person. We see this as a great opportunity to keep expanding its reach to interstate and overseas participants. Our focus for Drinks with Kate – Going Virtual is on delivering practical insights to…

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