(2007) concluded, with very high confidence, that regional temperature trends had already affected species and ecosystems around the world (p. 792). With high confidence, they concluded that climate change would result in the extinction of many species and a reduction in the diversity of ecosystems (p.
Full Answer. Use of the Gregorian calendar keeps the arrival of spring on March 20 or March 21 for most years, though sometimes spring arrives on March 19. According to National Geographic, in addition to the astronomical start of spring, a biological spring begins each year, usually on a different date.
The midpoint of Rabbit month is Spring Equinox, and this year it falls on March 20th, in most places around the world. Throughout history, and across many cultures, Spring Equinox is a notable date in the calendar, and often celebrated. At the equinox the daylight hours and night-time hours are equal in length.