Wildfire in a National Park (IMAGE) Harvard University Caption A fire burns in Sequoia & Kings National Park, Calif., in 2005. Research by environmental scientists at Harvard University predicts wildfire seasons by 2050 will be three weeks longer, up to twice as smoky, and will burn a wider area in the western United States. Credit National Park Service/Parker Bevington. Usage Restrictions Public domain. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.