Physical and financial
Climate change is the Earth’s response to increased carbon dioxide in the atmosphere. These greenhouse gases trap infrared heat from the sun. That has raised the earth’s average temperature at least 1.2 degrees Celsius since the late 19th century.
Climate change is nothing new in the Earth's history. But previous changes occurred much more slowly. Slight changes in the earth’s orbit created those warming and cooling periods. Scientists agree that humans are causing this ...