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Saturday March 25 2023

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    eco-labels

    Supermarket food could soon carry eco-labels, says study

    The “Inflation Reduction Act” marks a new chapter for America’s climate policy. Pic: PA

    New US act encourages low-carbon purchases

    Economist chart: Sources: UN Comtrade; UN joint coordination centre; Ukrainian

    Nine cargo ships have left Ukraine

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    carbon-neutral eggs

    Hens fed insects to lay carbon-neutral eggs

    Oleksiy Vadatursky was worth $450m (£369m), according to a 2020 estimate by Forbes

    Ukraine grain tycoon killed in Russian shelling

    General Assembly Meets on Peacebuilding and Human Rights. Photo by UN

    UN right to a healthy environment “is ammunition for campaigners”

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    Ukraine war: Grain exports could restart ‘within days’

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    The “Inflation Reduction Act” marks a new chapter for America’s climate policy. Pic: PA

    New US act encourages low-carbon purchases

    Economist chart: Sources: UN Comtrade; UN joint coordination centre; Ukrainian

    Nine cargo ships have left Ukraine

    Smog is so bad in Delhi at times that the government has closed elementary schools. Sajjad Hussain/AFP via Getty Images

    The UN just declared a universal human right to a healthy, sustainable environment

    carbon-neutral eggs

    Hens fed insects to lay carbon-neutral eggs

    Oleksiy Vadatursky was worth $450m (£369m), according to a 2020 estimate by Forbes

    Ukraine grain tycoon killed in Russian shelling

    General Assembly Meets on Peacebuilding and Human Rights. Photo by UN

    UN right to a healthy environment “is ammunition for campaigners”

    Grain exports

    Ukraine war: Grain exports could restart ‘within days’

    Protests in Nairobi as Maasai activists deliver a petition to the Tanzania High Commission, in Kenya, 17 June 2022. EPA-EFE/Daniel Irungu

    In northern Tanzania, the government is trying to evict thousands of Maasai

    Dr Roberto Mukaro Agüeibaná Borrero uses air quotes: “Indigenous people are being kicked out to ‘protect’ the animals and land”

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    Supermarket food could soon carry eco-labels, says study

    The “Inflation Reduction Act” marks a new chapter for America’s climate policy. Pic: PA

    New US act encourages low-carbon purchases

    Economist chart: Sources: UN Comtrade; UN joint coordination centre; Ukrainian

    Nine cargo ships have left Ukraine

    Indigenous communities are raising awareness about how the proposed lithium mine at Peehee Mu'huh (Thacker Pass), NV, will impact their ancestral burial grounds, water resources, and wildlife. Photo by Chanda Callao/ @Peopleofredmountain.

    Free, prior and informed consent required as clean energy threatens Indigenous Peoples

    Smog is so bad in Delhi at times that the government has closed elementary schools. Sajjad Hussain/AFP via Getty Images

    The UN just declared a universal human right to a healthy, sustainable environment

    carbon-neutral eggs

    Hens fed insects to lay carbon-neutral eggs

    Oleksiy Vadatursky was worth $450m (£369m), according to a 2020 estimate by Forbes

    Ukraine grain tycoon killed in Russian shelling

    General Assembly Meets on Peacebuilding and Human Rights. Photo by UN

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Home Sectors

Home cooking identified as major factor in greenhouse gas emissions

Domestic cooking methods account for up to 61% of total emissions with certain foods

by Gavin Wren
December 14, 2020
in Sectors, Environment, Research, Topics, Sustainability
Reading Time: 2 mins read
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Consumers have a significant impact on CO2 emissions through their choice of cooking methods, as identified by a new report in the academic journal Nature Food.

The study, carried out by a research group across six universities, surveyed 765 participants cooking thirty of the most commonly consumed food items in the UK.

Over 50% of total Greenhouse Gas contributions for vegetables such as potatoes, carrots, cauliflower and cabbage were found in the cooking, rather than the production stage. Cooking meats such as beef and lamb accounted for only 8% of their total CO2 contributions, although they had a far higher absolute CO2 figure, due to higher environmental impact during production.

These findings demonstrate that cooking instructions which manufacturers place on food packaging can play a vital role in lowering CO2 emissions. In their latest consumer tracker, the Food Standards Agency found 66% of UK households cook food from scratch every week. Nudging consumers towards less energy intensive cooking methods could have a significant effect on reducing CO2 emissions in the food sector.

Findings from the report noted that oven cooking has the highest impact, while slow cooking, sous vide or microwave cooking contributed the lowest. Roasted beef contributed 6.97kg of CO2 per kg of cooked meat, while roast potatoes contributed 2.27kgCO2 per kg of cooked food. Microwaved potatoes contributed only 0.33kgCO2 per kg of cooked food

The report does acknowledge that flavour profiles differ between methods and this is a significant factor in consumer choice.

Find the full report here.

Further reading:

  • Zero-emissions farm machinery tops CO2 plan
  • Agricultural practices to mitigate CO2 highlighted
  • Trawling emits as much CO2 as global aviation

 

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Gavin Wren

Gavin Wren

Gavin Wren is a co-founder of Quota. He is a renowned consultant in the food policy and academic sectors, aiming to influence business choices and to improve food systems. His work on food waste has garnered international acclaim on TikTok.

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