What is 'manatsu-bi'?
各地で30度超える真夏日に 熱中症に十分注意を | NHKニュース
夏日、真夏日、猛暑日、熱帯夜とは? | お天気.com
Is this the influence of global warming?
Do you think weather patterns are changing? If so, why do you think this is?
How do you think global warming will change the world over the next century?
What's your favorite season and why?