Sustainability in Space
Recent Trends in Space Sustainability: Paving the Way for a Sustainable Future
May 18, 2023
By Frank Trevino
Recent Trends in Space Sustainability: Paving the Way for a Sustainable Future
Sustainability in Space
Recent Trends in Space Sustainability: Paving the Way for a Sustainable Future
Introduction
In recent years, the exploration and utilisation of space have become more accessible and prevalent than ever before. However, as humanity reaches for the stars, it is crucial to ensure that our activities in space are sustainable and maintain the long-term viability of this valuable domain. This blog post delves into the recent trends in space sustainability, highlighting key initiatives and technological advancements that pave the way for a sustainable future in space.
The Rise of CubeSats and Small Satellites
One of the notable trends in space sustainability is the increasing use of CubeSats and small satellites. These miniaturized satellites have revolutionized space research and exploration by enabling cost-effective missions with reduced environmental impact. CubeSats are typically deployed in constellations, allowing for improved data collection and monitoring capabilities for various applications such as Earth observation, climate monitoring, and communication services. By utilizing smaller satellites, space agencies and private companies can reduce the amount of space debris generated and mitigate the risk of collisions.
Sustainable Launch Systems
Another significant trend in space sustainability is the development of more environmentally friendly launch systems. Traditional rocket launches have been associated with significant carbon emissions and environmental impact. However, recent advancements have focused on creating greener alternatives. Reusable rockets, such as SpaceX’s Falcon 9 and Blue Origin’s New Shepard, have gained traction in the industry, significantly reducing the cost and environmental impact of space launches. These reusable rockets can be recovered and refurbished, reducing the need for manufacturing new rockets for every mission. Additionally, companies are exploring alternative propellants and engines that minimize harmful emissions during launch.
Debris Mitigation and Removal
Space debris poses a significant threat to the sustainability of space activities. As the number of satellites and other space objects increases, so does the risk of collisions, which can generate even more debris. To address this issue, space agencies and organizations are focusing on debris mitigation and removal strategies. Some of these efforts include designing satellites with built-in deorbit systems, which ensure that satellites reenter the Earth’s atmosphere and burn up at the end of their operational lives. Additionally, technologies for actively removing debris from orbit, such as nets, harpoons, and robotic arms, are being developed and tested.
Satellite Constellations and Global Connectivity
Satellite constellations have gained significant attention in recent years due to their potential to provide global connectivity and bridge the digital divide. Companies like SpaceX (Starlink), OneWeb, and Amazon (Project Kuiper) plan to launch large satellite constellations to provide broadband internet access to remote and underserved regions. While this initiative can potentially revolutionise connectivity worldwide, it raises concerns about the impact on astronomical observations and space debris. To mitigate these concerns, satellite operators are working on improving the design of their constellations, implementing sunshades and darkening techniques to reduce their impact on night sky observations.
International Cooperation and Governance
Space sustainability requires international cooperation and effective governance. Recognising the need for coordinated efforts, initiatives such as the United Nations Committee on the Peaceful Uses of Outer Space (UNCOPUOS) and the Inter-Agency Space Debris Coordination Committee (IADC) have been instrumental in promoting sustainable practices and fostering collaboration among nations. Furthermore, the Artemis Accords, a set of principles for space exploration and utilisation, aim to establish a framework for responsible and sustainable activities on the Moon and beyond. These international agreements and guidelines facilitate the development of common standards and practices that prioritise the long-term sustainability of space.
In Summary
As humanity continues to venture into space, it is essential to prioritize space sustainability to ensure a long-term and viable future in this domain. Recent trends in space sustainability demonstrate a growing awareness and commitment to mitigating the environmental impact and risks associated with space activities. The rise of CubeSats and small satellites allows for cost-effective missions and reduced space debris generation. Sustainable launch systems, including reusable rockets, significantly decrease the environmental impact of launches. Debris mitigation and removal strategies are being developed to address the growing problem of space debris. Satellite constellations offer global connectivity, but efforts are being made to minimize their impact on astronomy and space debris accumulation. International cooperation and governance initiatives promote responsible practices and collaboration among nations.
These trends collectively contribute to a more sustainable and responsible approach to space exploration and utilization. By prioritizing space sustainability, we can mitigate environmental risks, reduce space debris, and ensure the long-term viability of space activities. Space agencies, private companies, and international organisations must continue working together, sharing knowledge and resources, to establish common standards and practices that will shape a sustainable future in space. Through these efforts, we can harness the potential of space while preserving its pristine nature and protecting the interests of present and future generations.
Frank Trevino is a 20-year digital strategy veteran working in technology, telco and the space sectors.
Frank’s digital transformation philosophy is to connect People, Products, Process, and Technology to turn data into digital assets. He is currently a postgraduate student at Oxford University.
