Lightning strike (IMAGE) Smithsonian Tropical Research Institute Caption Lightning strikes tropical forests millions of times a year and its frequency could increase in the future due to climate change. Credit Stephen P. Yanoviak Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA 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.