What Are Climate and Climate Change? The climate of a region or
city is its typical or average weather. For example, the climate
of Hawaii is sunny and warm. But the climate of Antarctica is
freezing cold. Earth's climate is the average of all the world’s
regional climates. Climate change, therefore, is a change in the
typical or average weather of a region or city. This could be a
change in a region's average annual rainfall, for example. Or it
could be a change in a city's average temperature for a given
month or season. Climate change is also a change in Earth's
overall climate. This could be a change in Earth's average
temperature, for example. Or it could be a change in Earth's
typical precipitation patterns. What Is the Difference Between
Weather and Climate? Weather is the short-term changes we see in
temperature, clouds, precipitation, humidity and wind in a
region or a city. Weather can vary greatly from one day to the
next, or even within the same day. In the morning the weather
may be cloudy and co