June 20, 2024 6:33 PM

Millions sweltering under extreme heat worldwide as summer arrives

Dangerous heatwaves are scorching cities on four continents as the Northern Hemisphere marks the first day of summer, a sign that climate change may again bring about record-breaking heat that could surpass last summer as the warmest in 2,000 years. Countries around the Mediterranean have endured another week of blistering high temperatures that have contributed to forest fires from Portugal to Greece and along the northern coast of Africa in Algeria, according to the U.S. National Oceanic and ...