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).
When does the summer officially begin and end in the US? Summer begins each year on the day of the summer solstice, which is  on or near June 21 and ends each year on the day of the autumnal  equinox, which is on or near Septemberâ¦ 22.