A climatologist is a scientist who studies the Earth's climate, which includes long-term weather patterns and changes. They analyze data from various sources, such as satellites, weather stations, and ocean buoys, to understand how climate affects our planet. Their work helps us learn about phenomena like global warming and climate change, which are important for predicting future weather and environmental conditions. Climatologists often collaborate with other experts, such as meteorologists and environmental scientists, to develop strategies for mitigating the impacts of climate change. Their research is crucial for informing policymakers and the public about how to protect our environment and adapt to changing conditions.