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51 minutes ago · The question of whether more extinctions in the fossil record have been caused by evolution or by competition or by predation or by disease or by catastrophe is a subject of discussion; Mark Newman, the author of Modeling Extinction, argues for a mathematical model that falls in all positions. [5]
1 day ago · Lithograph of the eruption c. 1888. The 1883 eruption of Krakatoa (Indonesian: Letusan Krakatau 1883) in the Sunda Strait occurred from 20 May until 21 October 1883, peaking in the late morning hours of 27 August when over 70% of the island of Krakatoa and its surrounding archipelago were destroyed as it collapsed into a caldera.
1 day ago · According to a research conducted by Arvind Subramanian, a former economist at the International Money Fund (IMF) and a senior fellow at the Peterson Institute for International Economics, the size of the Chinese economy by Purchasing Power Parity in 2010 was about $14.8 trillion rather than an official estimate at $10.1 trillion by IMF, meaning that China's GDP was underestimated by 47 percent.
1 day ago · Per capita CO 2 emissions from deforestation for food production Illegal "slash-and-burn" practice in Madagascar, 2010 Mean annual carbon loss from tropical deforestation. [148] Deforestation is a major contributor to climate change. [149] [150] [151] It is often cited as one of the major causes of the enhanced greenhouse effect.
