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27-May-2024-Editorial

May 27 @ 7:00 am - 11:30 pm

MICROPLASTICS 

Microplastics, defined as plastic particles smaller than five millimetres in diameter, have become a ubiquitous environmental pollutant, posing significant threats to ecosystems and human health.  

These minuscule plastic fragments originate from various sources, including the breakdown of larger plastics and deliberate manufacturing of tiny particles for commercial use.  

Recent studies have shed light on alarming findings regarding the presence of microplastics in unexpected places, such as testicular tissues of humans and canines, raising concerns about potential health implications, particularly on reproductive health. 

What are Microplastics? 

  • Microplastics are plastic particles less than five millimetres in diameter. 
  • They are formed through the breakdown of larger plastic items or deliberately manufactured for commercial purposes. 
  • Microplastics can be categorized into primary and secondary microplastics. 
  • Primary microplastics include tiny particles designed for commercial use and microfibers shed from clothing and textiles. 
  • Secondary microplastics are formed from the fragmentation of larger plastics due to environmental factors like solar radiation and ocean waves. 
  • Applications of microplastics span various industries, including medical, industrial, and cosmetic sectors. 

         

What are the Current Developments Regarding Microplastics? 

Microplastics in Testicular Tissues:  

  • Recent research revealed widespread microplastic contamination in the testicles of humans and canines, with polyethene being the predominant polymer.  
  • This discovery raises concerns about potential reproductive health issues, including decreased sperm count. 

Global Plastic Overshoot Day (POD):  

  • Projected to occur on September 5th, 2024, POD marks the point where plastic waste generation exceeds the world’s capacity to manage it.  
  • It’s estimated that by the end of 2024, over 3 million tonnes of microplastics will be released into waterways, with China and India being the top contributors. 

Microplastics in Drinking Water:  

  • Critical reviews highlight the presence of microplastics in drinking water sources, emphasizing the need for standardized sampling and analysis methods. 

Microplastic contamination in Ashtamudi Lake:  

  • Studies reveal significant microplastic pollution in Ashtamudi Lake, a Ramsar wetland, posing risks to aquatic organisms and humans consuming contaminated fish and shellfish due to the presence of hazardous heavy metals. 

What are the Challenges Related to Microplastics? 

  • Environmental Challenges: Microplastics are highly persistent pollutants that pose threats to wildlife, especially marine organisms, through ingestion and bioaccumulation of toxic chemicals. 
  • Health Challenges: Human exposure to microplastics can lead to various health issues, including oxidative stress, DNA damage, and metabolic disorders, through ingestion, inhalation, and skin contact. 
  • Regulatory and Policy Challenges: Inconsistent regulation and monitoring of microplastic sources hinder pollution mitigation efforts, compounded by limited resources and public awareness. 
  • Detection and Analysis Challenges: Detecting and quantifying microplastics in environmental samples is challenging due to their diverse properties. 

Way Forward 

  • Scientific Research and Monitoring: Promoting the use of biodegradable plastics, implementing filtration systems in wastewater treatment plants, and refining detection techniques can help mitigate microplastic pollution. 
  • Regulatory Measures: Bans on single-use plastics and microbeads, along with Extended Producer Responsibility (EPR) schemes, can incentivize sustainable product design and reduce plastic waste. 
  • Innovative Solutions: Biodegradable silk, plant-based filters, and natural fibre textiles offer sustainable alternatives to conventional plastics. 
  • Public Awareness and Education: Integrating information about microplastics into school curricula can foster awareness and encourage sustainable practices among future generations. 

Details

Date:
May 27
Time:
7:00 am - 11:30 pm
Event Category:
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