Excerpt: ″The already frequent re-entry rates of satellites from megaconstellation missions, intentional design of megaconstellation satellites to undergo complete ablation (burn-up) on re-entry to Earth’s atmosphere (https://www.spacex.com/updates/#sustainability), and an increase in the cadence of rocket launches2 will increase the release of potentially harmful chemical byproducts into all layers of the atmosphere″
Source: nature.com
Source: nature.com