As satellites fill Earth’s orbit, the space race...

In this week’s newsletter: From pollution in the upper atmosphere to mounting debris, experts warn the rapid expansion in space could threaten our planet• Don’t get Down to Earth delivered to your inbox? Sign up hereOur relationship with space is changing rapidly.For almost all of human history, the space above us was an unreachable frontier. Yet in a single human lifetime, Earth’s orbit has gone from largely empty to congested with satellites.Rubbish and recycling in England: what’s changingDri