In 1987, it became clear that CFCs were ripping a giant hole in our planet’s ozone layer, so the countries of Earth eliminated their use. Now, 33 years later, we have the announcement that the hole, a circle whose radius …
In 1987, it became clear that CFCs were ripping a giant hole in our planet’s ozone layer, so the countries of Earth eliminated their use. Now, 33 years later, we have the announcement that the hole, a circle whose radius …
