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).
This year the astronomical summer begins on 21 June 2018 and ends on 23 September 2018. The astronomical calendar determines the seasons due to the 23.5Â° tilt of the Earth's rotational axis in relation to its orbit around the sun.