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• Enhancing the management of forests in human use will save forest endangered species.

  Research paper:
  Kadoya et al. (2022), Shifting agriculture is the dominant driver of forest disturbance in threatened forest species' ranges, Communications Earth & Environment, 3, 108.

• Microplastic generation and release during mechanical recycling process were investigated, indicating importance as point sources of microplastic pollution.

  Research paper:
  Go Suzuki, Natsuyo Uchida, Le Huu Tuyen, Kosuke Tanaka, Hidenori Matsukami, Tatsuya Kunisue, Shin Takahashi, Pham Hung Viet, Hidetoshi Kuramochi, Masahiro Osako (2022) Mechanical recycling of plastic waste as a point source of microplastic pollution. Environmental Pollution, 303, 119114.

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• What is the best way to reduce air-pollution-related infant deaths in developing countries?

  Science Animation for
  Nansai et al. (2021), Consumption in the G20 nations causes particulate air pollution resulting in two million premature deaths annually, Nature Communications, 12, 6286.

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• PBDE-containing plastics are recycled into a wide range of consumer products that do not inherently require flame retardancy, such as toys and everyday items distributed worldwide.

  Research paper:
  Natsuko Kajiwara, Hidenori Matsukami, Govindan Malarvannan, Paromita Chakraborty, Adrian Covaci, Hidetaka Takigami (2022), Recycling plastics containing decabromodiphenyl ether into new consumer products including children’s toys purchased in Japan and seventeen other countries. Chemosphere 289, 133179

• Global GHG emissions from the copper cycle could account for about 2.7% of the total emissions budget by 2050, up from 0.3% today

  Research paper:
  Takuma Watari, Stephen Northey, Damien Giurco, Sho Hata, Ryosuke Yokoi, Keisuke Nansai, and Kenichi Nakajima (2022), Global copper cycles and greenhouse gas emissions in a 1.5 °C world, Resource Conservation and Recycling, 179, 106118.

• Uncovering the essential conditions for achieving decarbonization through circular economy: A systematic review of 1500 scenarios in 100 studies on consumer durable products

  Research paper:
  Koide et al. (2022) Prioritising low-risk and high-potential circular economy strategies for decarbonisation: A meta-analysis on consumer-oriented product-service systems. Renewable and Sustainable Energy Reviews, 155, 111858.

• Behind the provision of intangible services lies huge carbon-intensive material consumption.

  Research paper:
  Hata et al. (2022), Fixed-capital formation for services in Japan incurs substantial carbon-intensive material consumption, Resources, Conservation and Recycling, 182, 106334.

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• Biochar activation conditions for excellent performance carbon materials support cascade waste utilization by combining anaerobic digestion and pyrolysis.

  Research paper:
  Kobayashi, T. and Kuramochi, H. (2022) Optimized production conditions and activation of biochar for effective promotion of long-chain fatty acid degradation in anaerobic digestion, Bioresource Technology, 127393.