Green chemistry and sustainable chemistry related to water challenges: Solutions and prospects in a changing climate☆

 Green Chemistry and Sustainable Chemistry: Solutions and Prospects for Water Challenges in a Changing Climate

Water scarcity and pollution have become pressing global challenges, exacerbated by climate change. Rising temperatures, erratic precipitation patterns, and increasing industrial activities strain freshwater resources, making sustainable solutions imperative. Green chemistry and sustainable chemistry provide innovative approaches to tackle these water-related challenges while minimizing environmental impacts.

The Role of Green Chemistry in Water Sustainability

Green chemistry emphasizes the development of processes and products that reduce or eliminate hazardous substances. When applied to water challenges, green chemistry focuses on:

  1. Eco-friendly Water Purification – Traditional water treatment methods often involve toxic chemicals. Green chemistry promotes the use of biodegradable and non-toxic coagulants, bio-based filtration materials, and advanced oxidation processes that minimize chemical waste.

  2. Sustainable Water Desalination – With rising freshwater shortages, desalination is crucial. Green chemistry innovations include energy-efficient membrane technologies, solar-powered desalination units, and biomimetic approaches that mimic natural water filtration processes.

  3. Reduction of Industrial Water Pollution – Chemical industries contribute significantly to water contamination. Green chemistry promotes solvent-free or water-based reactions, enzymatic processes, and catalytic systems that reduce harmful effluents.

Sustainable Chemistry: A Holistic Approach

Sustainable chemistry goes beyond just reducing hazardous chemicals; it aims for long-term environmental and economic viability. Some key solutions include:

  1. Circular Water Economy – Recycling and reusing wastewater in industrial processes, agriculture, and even potable applications help reduce dependency on freshwater sources.

  2. Biodegradable and Renewable Materials – Replacing synthetic chemicals with plant-derived coagulants and adsorbents can make water treatment more sustainable.

  3. Smart Sensors and Real-Time Monitoring – Digital chemistry solutions, such as AI-powered sensors, can detect contaminants in water sources early, enabling prompt remediation and reducing treatment costs.

Future Prospects in a Changing Climate

As climate change continues to impact water availability and quality, integrating green chemistry and sustainable chemistry solutions will be essential. Governments, industries, and researchers must collaborate to:

  • Invest in green infrastructure for wastewater treatment.

  • Support policy frameworks that promote sustainable chemical use.

  • Enhance public awareness and community engagement in water conservation.

By leveraging green and sustainable chemistry, we can create resilient water management systems that protect both human health and ecosystems. 🌍💧

29th Edition of International Research Awards on Science, Health and Engineering | 26-27 February 2025 | London, United Kingdom

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