#Waste Management6

29 Dec 2025

Small insect bioreactor turns food waste into feed and fertilizer

Scientists designed a low-cost, small bioreactor that uses black soldier flies to convert food scraps into animal feed and frass fertilizer. The device can be built from common materials and run by one person.

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Photo by Mahmud Ahsan, Unsplash

20 Nov 2025

Guadeloupe turns waste into resources

Guadeloupe produced 346,720 tonnes of waste in 2023. Local groups, artists and the Regional Council promote reuse, recycling and new facilities to cut landfill use and reach zero waste by 2035.

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24 Oct 2025

Uzbekistan builds large waste-to-energy plants with Chinese partners

Uzbekistan began construction of two waste-to-energy plants with Chinese firms in July 2025 and plans at least seven plants by 2027. The projects aim to burn waste and produce electricity, but critics raise transparency and health concerns.

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28 Mar 2025

Turning Water Hyacinth into Biodegradable Sanitary Pads

Researcher Pooja Singh and colleagues used invasive water hyacinth to make eco-friendly sanitary pads. Their project won an Elsevier award in Pune and aims to reduce water and plastic pollution while supporting women in local communities.

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25 Feb 2025

Researchers help Malawi farmers with organic fertiliser

In Mzimba District researchers made an organic fertiliser from black soldier fly frass, rice husk biochar and coffee grounds. Farmers trained to use it report better crops and hope it can reduce costs and improve soil health.

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21 May 2024

Plastic sachets and pollution in Southeast Asia

Small plastic sachets are widely sold and cause heavy pollution, especially in Southeast Asia. A global audit found tens of thousands of sachets from many brands and campaigners want firms and governments to stop or reuse sachets.

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