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Tony Walker

Melbourne

Columnist and Analyst at The Conversation

Journalist. Conversation board. Dual Walkleys commentary Excellence Press Gallery journalism. Website: https://t.co/zYWU5I1tVf

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Articles

  • 1 week ago | phys.org | Tony Walker |Miriam L. Diamond |Gaby Clark |Andrew Zinin

    This article has been reviewed according to Science X's editorial process and policies.

  • 1 week ago | theconversation.com | Tony Walker |Miriam L. Diamond

    Negotiations toward a global, legally binding plastics treaty are set to resume this summer, with the United Nations Environment Programme announcing that the Intergovernmental Negotiating Committee on plastic pollution will reconvene in August. The committee was established to develop an international legally binding instrument — known as the plastics treaty — to end plastic pollution, one of the fastest-growing environmental threats.

  • Nov 6, 2024 | phys.org | Tony Walker |Simon Harper

    Canada has more than 13,000 beekeepers with almost 1,000,000 beehives spread across every province. Together, they produce about 40,000,000 kilograms of honey each year. That is enough for roughly one kilogram of honey for every Canadian. When honeybees forage, they collect nectar, pollen and water from nearby flowers.

  • Nov 5, 2024 | theconversation.com | Tony Walker |Simon Harper

    Canada has more than 13,000 beekeepers with almost 1,000,000 beehives spread across every province. Together, they produce about 40,000,000 kilograms of honey each year. That is enough for roughly one kilogram of honey for every Canadian. When honeybees forage, they collect nectar, pollen and water from nearby flowers. These flowers contain traces of the chemicals in the soil and water where they grow.

  • Sep 25, 2023 | nature.com | Tony Walker |Jason White |Thorsten Hüffer |Stéphane Bayen |Richard L. Leask |Jan Franklin Adamowski | +7 more

    Plastics have become an integral component in agricultural production as mulch films, nets, storage bins and in many other applications, but their widespread use has led to the accumulation of large quantities in soils. Rational use and reduction, collection, reuse, and innovative recycling are key measures to curb plastic pollution from agriculture. Plastics that cannot be collected after use must be biodegradable in an environmentally benign manner. Harmful plastic additives must be replaced with safer alternatives to reduce toxicity burdens and included in the ongoing negotiations surrounding the United Nations Plastics Treaty. Although full substitution of plastics is currently not possible without increasing the overall environmental footprint and jeopardizing food security, alternatives with smaller environmental impacts should be used and endorsed within a clear socio-economic framework. Better monitoring and reporting, technical innovation, education and training, and social and economic incentives are imperative to promote more sustainable use of plastics in agriculture. Plastics need to be used more sustainably in agricultural practice, for example by recovery and reuse, and by selected application of safe biodegradable plastics and phasing out of toxic additives, suggests a literature synthesis and perspective on structural polymers in agriculture.

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