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).
The unofficial end of summer is Labor Day because this is when most  kids go back to school.   The official end of summer is the Autumnal Equinox, which falls on  Septemâ¦ber 23.