9 Takeaways From the National Climate Report<br />By HENRY FOUNTAIN and NADJA POPOVICH AUG. 8, 2017<br />A scientific report on climate change obtained by , part of a regular federal climate assessment, shows<br />that warming is already having a large effect on the United States.<br />While temperatures in the country (excluding Alaska<br />and Hawaii) have increased an average of 1.2 degrees Fahrenheit since 1900, the Southwest and the Northwest, as well as the Northern Great Plains, have seen a temperature increase of 1.5 degrees or more.<br />How average annual temperatures have changed<br />Since the first half of the 20th century<br />The report said that heat waves and droughts had reached record intensities in some parts of the country.
