北半球高温致灾 南半球世纪严寒 专家警告极端天气成地球新常态

Core Viewpoint - Extreme weather events, including droughts, heavy rains, and floods, are becoming a new normal for the Earth, as evidenced by record-breaking temperatures and severe weather patterns affecting both the Northern and Southern Hemispheres [1] Group 1 - The Northern Hemisphere is experiencing extreme high temperatures, while the Southern Hemisphere is facing unprecedented cold weather [1] - A cold wave began impacting South America on June 26 and reached its peak on June 30, resulting in record low temperatures in Argentina, Chile, and Uruguay [1] - Some regions in South America recorded minimum temperatures dropping to minus 18 degrees Celsius [1]