Energy Recovery

Dealing with waste is fast becoming a concern for municipalities all across the country. The more proactive of these governments look at municipal solid waste as a valuable resource offering inherent value even after the package or product has fulfilled its initial use. These innovative governments manage municipal waste via an integrated waste management strategy that draws upon a variety of different options to include reduce, reuse, recycle, recover and landfill. In Canada, approximately only 22 per cent of total municipal solid waste (all materials) is recycled and eight per cent is reclaimed through energy recovery – leaving a staggering 70 per cent being disposed in landfill.

Energy recovery is becoming an increasingly popular waste management option for residual waste that can’t practically or efficiently be dealt with through the traditional 3Rs. Europe, Asia and the U.S. have widely adopted this option and are actively increasing their activity in this area.

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Waste management poses challenges, but could unlock major environmental and economic gains

Every day, the city of Rio de Janeiro, one of the largest metropolises in the Southern Hemisphere, generates 17,000 tonnes of waste, ranging from large industrial debris to candy wrappers bought innocently at newspaper stands. While this waste presents a serious and urgent environmental challenge, it also fuels an increasingly significant portion of the economy, with benefits extending beyond financial gains. - When we look at developed European countries, many are already recycling between 40% and 50%, with some reaching 60%. From an economic standpoint, both recyclable materials and organic waste hold tremendous value - stated Adalberto Maluf, National Secretary for Environment and Environmental Quality at the Ministry of the Environment (MMA), during the Methane Forum: Climate Emergency Brake, at the Rio Nature and Climate Week. Citing a 2025 report, Maluf mentioned that Brazil literally throws away R$27 billion annually, while municipalities spend significantly more - R$45 billion - managing all this waste, often overlooking the environmental impact or economic potential buried in landfills and dumps. - We spend R$45 billion to collect and dispose of waste in landfills, yet we manage to recycle less than a third of the potential. I believe it will be necessary to review contracts, create performance-based remuneration mechanisms, and pay for both effectively sorted materials and those diverted from landfills - he added. According to the IBGE, 60.5% of Brazilian municipalities adopt some form of selective waste collection, and several initiatives serve as examples of how to manage city waste. In his panel presentation, Bernardo Ornelas, Project Coordinator at the Rio de Janeiro Municipal Urban Cleaning Company (Comlurb), highlighted Ecoparque do Caju, a national benchmark in waste management and recycling. There, received materials are sorted and can be used for biogas production, organic compounds for urban gardens, or human consumption, in the case of still...