Using its tracking equipment, the observatory recorded that the average amount of carbon dioxide in the atmosphere exceeded 400 parts per million (ppm) for the first time in 55 years of measurementâand quite probably the last three million years of Earthâs existence.n atmospheric observatory witnessed record levels of CO2 that may be the Earth's highest in the last three million years. Fossil fuels account for the proliferation of carbon dioxide in our environment.
The Emperor of Nihon-Ja. From Wikipedia, the free encyclopedia. The Emperor of Nihon-Ja is the tenth instalment in the Ranger's Apprentice book series by Australian author John Flanagan. The book was released in Australia on 1 November 2010, in New Zealand on 5 November 2010, and in the United States on 16 April 2011. The name Nihon-Ja is based on the name of Japan; Nihon-Koku.
The Inca began expanding their land holdings by the reign of their fourth emperor, Mayta Capac. However, they did not truly become an expansive power until the eighth emperor, Viracocha Inca, took control in the early 15th century. Bolstered by the military capabilities of two uncles, Viracocha Inca defeated the Ayarmaca kingdom to the south and took over the Urubamba Valley.