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.
This effect controls the temperature of the Earth so that it is within the range in which life is possible: add more energy in,the water cycle just dumps it right back out. Also,water is a greenhouse gas (much more powerful than carbon dioxide), and this keeps the Earth from getting too cold.