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By 2025, algae-derived bioplastics have emerged as one of the most promising solutions to combat single-use plastic pollution. With significant technological advances and a growing demand for sustainable alternatives, this innovation is gaining ground across multiple industries.
Why algae bioplastics?
- Fast growth: Algae can be grown in saltwater or freshwater, without competing with agricultural land.
- Co₂ absorption: They contribute to reducing greenhouse gases during cultivation.
- Biodegradable: They decompose in months (vs. hundreds of years for traditional plastic).
Key developments in 2025
- Greater strength and flexibility:
- New natural additives have improved the durability of algae bioplastics, enabling their use in food packaging and electronics.
- Scalable production:
- Companies such as Algenesis and Notpla have reduced costs by 40% compared to 2022, thanks to optimized fermentation and automated harvesting.
- Innovative applications:
- Edible packaging: Prototypes for sauces and beverages that dissolve in water.
- Agriculture: Biodegradable pots that fertilize the soil as they decompose.
Pending challenges
- Competitive cost: Still 20-30% more expensive than conventional plastic.
- Regulation: Some countries lack clear standards for certifying their biodegradability in marine environments.
Success Stories with Bioplastics
- EU: The “Green Packaging Act” requires 30% bioplastics in packaging by 2027.
- Indonesia: Uses algae to produce bags that degrade in 3 months in the ocean.
The Future?
Experts predict that, by 2030, algae bioplastics could cover 15% of the global plastics market, especially in packaging and textiles. However, their real impact will depend on investments in R&D and policies that level the playing field with fossil plastics.
