Rocket launches and satellite reentries are depositing metals and soot directly into Earth’s stratosphere, and a growing body of peer-reviewed research warns that these pollutants are altering the ...

“In 2015, scientists at NASA predicted that the Ozone Hole would be half closed by 2020. That hasn’t happened. Other scientists have forecasted that the hole will not begin to disappear until 2040 or ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

NEW YORK, New York, September 16, 2025 (ENS) – “Forty years ago, nations came together to take the first step in protecting the ozone layer – guided by science, united in action,” said United Nations ...

Concentrations of ozone-damaging aluminum oxides in Earth's atmosphere could increase by 650% in the coming decades due to a rise in the number of defunct satellites burning up during reentry, a first ...

The Montreal Protocol was an international agreement designed to stop the destruction of the ozone layer, and it worked. So why did this one succeed when so many other climate agreements failed? Today ...

The stratospheric ozone layer protects life on Earth by absorbing ultraviolet light, which damages DNA in plants and animals (including humans) and leads to sunburns and skin cancer. Prior to 1979, ...

Before you submit an error, please consult our Video Help page. NOVA is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire ...

The ozone layer is a stratospheric region characterized by elevated concentrations of ozone (O₃), typically peaking between 15 and 35 km altitude, where photochemical equilibrium between ozone ...