Dendrochronology is the scientific method of dating tree rings to determine the age of trees and to study past climate conditions. Each year, trees produce a new layer of growth, which can be seen as a ring in a cross-section of the trunk. The width and characteristics of these rings can provide insights into environmental factors such as rainfall, temperature, and even natural disasters. Researchers use dendrochronology to create chronological records that can span thousands of years. This information is valuable for various fields, including archaeology, paleoclimatology, and forestry, helping scientists understand historical climate patterns and the impact of climate change over time.