Group 1 - The core viewpoint is that the Northern Hemisphere, particularly Europe, is experiencing extreme heat waves this summer, with temperatures exceeding 40 degrees Celsius in several regions [1][3][4] - Spain and France are among the most affected countries, with Spain recording temperatures as high as 46 degrees Celsius and France experiencing widespread high-temperature alerts [1][3] - The World Meteorological Organization (WMO) indicates that global temperature rise is a trend, primarily driven by human-induced carbon emissions [4][6][8] Group 2 - The Mediterranean region is experiencing record high sea surface temperatures, which contribute to the extreme heat on land [6][8] - The WMO reports that the duration and intensity of heat waves are increasing globally, with the third hottest June on record recently observed [4][6] - Climate change is exacerbating extreme weather events, leading to more intense rainfall and storms due to increased atmospheric moisture [8][10]