How Hot Will Future Summers Be? (image) National Science Foundation Share Print E-Mail Caption How hot will future summers be? According to new research, a lot hotter than in the past. Credit NSF Central Arizona-Phoenix LTER Site Usage Restrictions None Share Print E-Mail 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.