Heatwaves across Europe and south Asia have dominated the news recently. But these events are really a surface expression of more fundamental changes that are affecting our planet: the Earth itself is accumulating heat faster than ever before.
We lead a large international team of scientists who come together every year to provide an update on the state of the climate system. This year, we find that Earth’s energy imbalance – the difference between the amount of energy entering and leaving the planet – has doubled in recent decades, and is now at record levels.