So it is with the Russo–Ukrainian conflict. Donald Trump’s desire to end the fighting has caused barely suppressed horror.

Our readers have a lot of fun getting to grips with this one, working out how such an Earth would look – and what its ...

On Monday and Tuesday, this trough and an associated cold front passing to the south will move east, bringing wet conditions and a cool southerly change in its wake. After this, a trough and possible ...