Emissions

Landfills are strong GHG emitters – that is what the science says
Carbon
21 September 2022

Landfills are strong GHG emitters – that is what the science says

I wish landfills were net carbon sinks that we could rely on to store organics. Landfills are significant GHG emitters. They sequester some carbon but not enough.

Celebrating emissions reductions but much more to do
Carbon
28 June 2022

Celebrating emissions reductions but much more to do

Australia generates 61.5 MT of “core” waste. Of this, 20.5 MT is sent to landfill.

Letter to Local Government- Climate Change and Local Government
Circular Economy
8 June 2022

Letter to Local Government- Climate Change and Local Government

I am glad that Local Government has levers that can reduce emissions and slow climate change.

Super-spreader landfills causing climate change
Carbon
5 October 2021

Super-spreader landfills causing climate change

For more than ten years, MRA has been arguing for an “Organics Revolution” in Australia to remove organics from landfill.

Open letter to Australia’s Mayors – Why waste matters to your carbon footprint
Circular Economy
1 March 2021

Open letter to Australia’s Mayors – Why waste matters to your carbon footprint

The single biggest greenhouse gas emissions decision you will make as Mayor, is “Are we still sending organic waste to landfill?”

Could pyrolysis save the planet?
AWT
19 February 2021

Could pyrolysis save the planet?

There is only one technology that we know of that can reliably suck carbon dioxide out of the atmosphere and sequester it. Photosynthesis. It is what every plant on the planet does every day.

Can FOGO work in MUDs?
Circular Economy
27 May 2020

Can FOGO work in MUDs?

Following up on Virginia Brunton's well received "Where to with food waste" article, Mike Ritchie discusses FOGO in MUDs. Mike argues that collecting FOGO from MUDs is not just feasible, it is necessary. Getting food and garden waste out of all households will: - reduce #waste to #landfill by 50% or more - save up to 2.7% of Australia’s GHG emissions and - produce millions of tonnes of soil enhancing compost.

Creating economic wealth from emissions reduction – a case study of recycling
Carbon
26 May 2020

Creating economic wealth from emissions reduction – a case study of recycling

The waste and recycling industry contributes close to 3% of Australia’s direct emissions. However, recycling abates much more by capturing the embodied energy of the recovered materials. We can create a more sustainable Australia by reducing emissions, increasing recycling and growing new green jobs.

Compost for Carbon: webinars for farmers to cash in on compost
Carbon
26 November 2019

Compost for Carbon: webinars for farmers to cash in on compost

The naturally deficient in carbon, Australian soils are being depleted further through agriculture. Adding organic matter helps replenish nutrients and improve soil structure. When carbon is added through compost, it is good for the environment, the soil and for farmers who can now earn ACCUs and cash through the the Emissions Reduction Fund.

State of waste 2019
Policy
18 September 2019

State of waste 2019

The Australian Commonwealth has achieved a first. A Minister for Waste (and Environmental Management) was announced by the Morrison Government. In the 200 years since colonial settlement we have not had a Minister with Waste in their title. I hope that ushers in a period of attention and reform.

Actions for a circular economy
Policy
16 September 2019

Actions for a circular economy

Following up on his earlier Circular Economy article, Mike Ritchie reviews the European Union Circular Economy Action Plan report of 54 actions and adjusts those actions to propose an equivalent action list for Australia.

Driving a circular economy
Policy
18 August 2019

Driving a circular economy

A circular economy is necessary to minimise landfill, increase resources recovery and protect our natural environment. A strong local reprocessing sector will also generate new jobs, support the economy and safeguard Australia from international developments such as China's National Sword. Mike Ritchie outlines the key drivers for a strong Circular Economy in Australia.

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