During World War I, the government nationalized telephone and telegraph lines in the United States from June 1918 to July 1919, when, after a joint resolution of Congress, President Wilson issued an order putting them under the direction of the U.S. Post Office.
Quick Answer. Some of the things that cause temperatures change on Earth include the greenhouse effect, the amount of heat from the sun reaching Earth, deforestation and changes in Earth's surface with regards to reflectivity. Temperature change on Earth has become a major topic of debate in recent years because of its negative effects.
However, climatologically, the obliquity variation has the potential to have a fairly direct effect on seasonal extremes. After all, it is the obliquity that causes our seasons in the first place â if the Earth's axis were perpendicular to its orbital plane, there would be no seasons at all. Milankovitch Cycles: Astronomically Induced Climate Change