WebCurrently, the Earth is in an interglacial period, beginning about 20,000 years ago (20 kya). ... During the PETM, the global mean temperature seems to have risen by as much as 5-8 °C (9-14 °F) to an average temperature as high as 23 °C (73 °F), in contrast to the global average temperature of today at just under 15 °C (60 °F). Geologists ... WebSince 1978, global warming has become even more apparent. Over the last 30 years, Hansen’s analysis reveals that Earth warmed another 0.5°C, for a total warming of 0.9°C since 1880. The first reliable global …
2,000 years of Earth
WebOur mission is to find the most interesting and educational charts with rich historical data, and to make these charts available online. ... Which was the best investment in the past 30, 50, 80, or 100 years? This chart … WebGlobal climate is changing. Our future climate will certainly be different than our present climate. Where, when, and how rapidly these changes will take place is still a matter of scientific study. ... show that the abundance of CO 2 in the atmosphere rose to 2000 parts per million within the span of 10,000 years. Subsequently, Earth’s ... dr. michael durkin cardiology
Climate Change: Atmospheric Carbon Dioxide NOAA …
WebFeb 25, 2024 · The average temperature on Earth lies somewhere around 57 degrees Fahrenheit (13.9 degrees Celsius). According to climate information from the National Oceanic and Atmospheric Administration … WebJan 18, 2024 · According to NOAA's 2024 Annual Climate Report the combined land and ocean temperature has increased at an average rate of 0.14 degrees Fahrenheit ( 0.08 degrees Celsius) per decade since 1880; … WebThe Last Glacial Maximum (LGM) occurred about 20,000 years ago, during the last phase of the Pleistocene epoch. At that time, global sea level was more than 400 feet lower than it is today, and glaciers covered approximately: 8% of Earth’s surface 25% of Earth’s land area 33% of Alaska Beginning about 15,000 years ago, continental glaciers retreated … dr michael duch orthopedic surgeon