The warming of the planet in just half a degree Celsius could boost severe weather conditions.
Lightning killed 22 people in Bangladesh in the last 48 hours.
The 1,000-year-old Pioneer cabin tree bade goodbye as it fell during the deadly storm in California last Sunday.
A torrent of water submerged the White Scar Cave in Ingleton, England after an overnight flooding hit the area.
The July 4 festivities might be threatened by thunderstorms and potential flash flooding on the holiday weekend in some areas in the U.S.
