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Every year, an estimated 11.2 billion tonnes of solid waste is collected worldwide and decay of the organic proportion of solid waste contributes about 5% of global greenhouse gas emissions. Poor waste management – ranging from non-existing collection systems to ineffective disposal – causes air pollution, water and soil contamination. Open and unsanitary landfills lead to contamination of drinking water and can cause infection and transmit diseases.
The way a country manages its solid waste has significant long-term implications for public health, the economy and the environment. Therefore, it is essential to promote an environmentally sound solid waste treatment and disposal programme. Investing in greening the waste sector can generate multiple economic and environmental benefits.
Greening the waste sector primarily involves the three “R’s” – reduce, reuse and recycle – with the long-term vision being to establish a circular economy in which the use of materials and subsequent waste is limited, most unavoidable waste is recycled or remanufactured, and any remaining waste is treated so as to minimize environmental damage or even create additional value through recovering energy embedded in material or products.
Created a Post in Climate Change, Waste Management
UNEP latest report finds that plastic pollution disproportionately affects marginalized communities and those living in close proximity to plastic production and waste sites, beyond inefficient or even sometimes non-existing waste management systems.
Created a Post in Waste Management
The CMaR collaborative shows how an experiment with celebrity endorsement could influence behavior and reduce plastic pollution. Very encouraging results!
Plastic pollution in the ocean is a severe problem for Chile. César Salazar, Associate Professor at Universidad del Bio-Bio, Chile, and a senior researcher at EfD Chile explains why and what can be done to tackle this.
Identifying the sources of non-point source pollution: Research progress and emerging challenges – A review
Improved region-specific emission factors for enteric methane emissions from cattle in smallholder mixed crop-livestock systems of Nandi County, Kenya
Greenhouse gas emissions from dairy manure management: A review of field-based studies
Methane and nitrous oxide emissions from cattle excreta on an East African Grassland
Effect of feeding practices and manure quality on CH4 and N2O emissions from uncovered cattle manure heaps in Kenya
Created an Event in Cities and Urban Development, Waste Management
Created an Event in Green Recovery from COVID-19, Waste Management