
A bioplastic container inside a chamber simulating Mars’s environment
Wordsworth et al., Sci. Adv. 11, eadp4985
Creating plastic habitats on Mars using locally grown algae could revolutionize the way we establish life on the red planet. Researchers have successfully demonstrated a sustainable cycle in a lab setting that could pave the way for future Mars exploration.
Harvard University’s Robin Wordsworth envisions a system where algae is grown in bioplastic containers, which are then used to produce more bioplastic for further expansion of the habitat. This self-sustaining approach holds promise for long-term Mars missions.
The team cultivated green algae Dunaliella tertiolecta in containers made from a bioplastic called PLA under simulated Martian conditions. Despite the low atmospheric pressure and high carbon dioxide levels, the algae thrived, demonstrating the feasibility of using bioplastics for Mars habitats.
According to Amor Menezes from the University of Florida, this breakthrough opens up possibilities for using bioplastics to support life in extreme environments like Mars. The team’s dedication to experimenting with different designs and materials has led to this significant milestone.
Looking ahead, the researchers plan to expand their experiments by testing materials in vacuum conditions to simulate other planetary surfaces. By pushing the boundaries of habitability beyond Earth, they aim to lay the groundwork for future human settlements on celestial bodies.
As Wordsworth highlights, this research not only has practical implications for space exploration but also contributes to our fundamental understanding of supporting life in diverse environments. The journey towards establishing sustainable habitats on Mars is well underway, thanks to innovative approaches like bioplastic cultivation.