BRUSSELS, Sept 6 — The world is emerging from its warmest northern hemisphere summer since records began, the European Union's climate change monitoring service said on Friday, as global warming continues to intensify.

LONDON, June 21 — Deadly heatwaves are scorching cities on four continents as the Northern Hemisphere marks the first day of summer, a sign that climate change may again help to fuel record-breaking heat that could surpass last summer as the warmest in 2,000 years.

MILAN/CHICAGO, Oct 27 — The United States, Russia, France and many other countries are setting records for coronavirus infections as a tidal wave of cases washes over parts of the Northern Hemisphere, forcing some countries to impose new curbs.