A wildfire-fuelled ozone hole leaves Antarctic wildlife exposed to potentially damaging levels of UV.

A global agreement in 1987 to ban chemicals harming the ozone layer is working, scientists say.

From acid rain to the ozone hole: Can we learn from the environmental "success stories" of the past?

Smoke from Australian wildfires affects the layer that shields the Earth from harmful UV rays.

The president asks leaders to commit to cutting emissions by at least 30% below 2020 levels by 2030.

A global treaty banning ozone-depleting chemicals in 1987 may have averted a climate catastrophe today.

Meet the teams who track down and destroy hidden sources of greenhouse gases.

It may be the smallest ozone hole in three decades but scientists are warning against complacency.