Image: Dudarev Mikhail/Shutterstock
Humanity injects an almost incomprehensible 42 billion tonnes of carbon dioxide (CO₂) into the atmosphere every year. The majority of this comes from...
Etching of the 1867 flood in the Hawkesbury-Nepean Valley, depicting the Eather family. illustrated Sydney News/author provided
Over the past three years, I’ve been working...
Picture: Ashleigh Wilson
While greenhouse gases are warming Earth’s surface, they’re also causing rapid cooling far above us, at the edge of space. In...