The City of Port Townsend, Washington tourism guide. Learn about things to do when visiting and the history of Port Townsend with our guide of the city and surrounding area.
Learn more about how climate change will affect people and the environment in the following ways: 1  Agriculture. 2  Energy. 3  Water Supplies. 4  Health. 5  Plants, Animals, and Ecosystems. 6  Forests. 7  Recreation.
Climate is influenced by a multitude of factors that operate at timescales ranging from hours to hundreds of millions of years. Many of the causes of climate change are external to the Earth system. Others are part of the Earth system but external to the atmosphere. Still others involve interactions between the atmosphere and other components of the Earth system and are collectively described as feedbacks within the Earth system.