Opinion

Restrictions on traditional grazing are a key part of China's "Great Green Wall" campaign, a decades-old anti-desertification project credited with "greening" over 90 million hectares.

The Canadair water bomber revolutionised the fight against wildfires after it debuted in the skies decades ago.

Switzerland's glaciers, which are disproportionately impacted by climate change, have lost a quarter of their volume in the past decade alone, a study warned.

Just 500 kilometres wide and invisible to the naked eye, the white, scar-covered Enceladus is one of hundreds of moons orbiting the sixth planet from the Sun.