The scientific community is celebrating the cancellation of the INNA project, a proposed $10 billion green hydrogen and ammonia production facility in Chile’s Atacama Desert. The facility was deemed a significant threat to the world’s clearest skies, which are essential for ground-based astronomical observations. The decision comes after extensive warnings from astronomers about the potential negative impacts on nearby observatories.

Project Cancellation Details
The INNA project was set to occupy 3,000 hectares and included plans for a port, transport links to the coast, and three solar power plants. It had been under evaluation by Chile’s environmental regulator for nearly a year. Following meetings with AES Andes, the company behind the proposal, Chile’s environmental evaluation service confirmed that the project has been formally withdrawn.

Astronomical Concerns
Astronomers had raised alarms about the proximity of the INNA facility to some of the world’s leading telescopes, including the Paranal Observatory. They argued that the facility would increase light pollution, cause vibrations that could disturb sensitive instruments, and generate dust that might settle on telescope mirrors, thereby compromising the quality of observations. Itziar de Gregorio, a representative from the European Southern Observatory, stated that the cancellation of the project would protect the Paranal Observatory from these threats.

The Need for Protection Measures
While the cancellation is a victory for the astronomical community, experts emphasize that it highlights the urgent need for protective measures around Chile’s valuable astronomical sites. De Gregorio noted that the work to safeguard the skies is far from over. The INNA project has sparked discussions about the necessity of implementing clear regulations to prevent similar threats to the pristine observational conditions in the region.

Reactions and Future Implications
AES Andes, a subsidiary of the US-based AES Corporation, announced its decision to cease the INNA project after a detailed analysis of its project portfolio. The company claimed that the project was "absolutely compatible" with other activities in the area, though it did not elaborate on what those activities might be. The cancellation follows an open letter signed by prominent scientists, including 2020 Nobel Prize winner Reinhard Genzel, urging the Chilean government to abandon the project due to its proximity to the Paranal Observatory, located just 11.6 kilometers away.

Wrap-up
The cancellation of the INNA project marks a significant victory for astronomers and environmental advocates in Chile. As the world's leading site for ground-based astronomy, the Atacama Desert's skies are crucial for scientific discovery, and this decision reinforces the importance of protecting such irreplaceable resources. The scientific community now looks forward to further discussions on establishing effective protective measures for the region.

Sources
theguardian.com

@hoju-korean.com Editorial Team