So if you want to avoid the Sixth Mass Extinction, here are the top 10 things you can do. 1. Spread the word, to your family, friends, co-workers, and social media circle: the extinction crisis is real.
In Australia and New Zealand, summer officially begins on 1 December and ends on the last day of February (29 February on a leap year, 28 February otherwise).
On the first day of summer (astronomical), usually June 21. Summer solstice: June 21-22 (day longer than the night) The summer solstice in the northern hemisphere is generally â¦ on June 21, but may vary a day earlier or later depending on the cycles of leap years.