Steve Oberle

Climate describes weather conditions over the long term and over an entire region. Climate is the big picture. It is the big picture of temperatures, rainfall, wind and other conditions over a larger region and a longer time than weather.

For example, the weather was rainy in Phoenix, Arizona, last week. But this city usually gets only about 7 inches of rain each year. So the climate for Arizona is dry. Much of Southern California also has a dry, desert climate. Brazil has a tropical climate, because it’s warm and rains there a lot.

Global climate is the average climate over the entire planet. The reason scientists and many other folks are concerned is that Earth’s global climate is changing. The planet is warming up fast—faster than at any other time scientists know about from their studies of Earth’s history (NASA, 2019).

“Only within the 20th Century has biological thought been focused on ecology, or the relation of the living creature to its environment. Awareness of ecological relationships is – or should be – the basis of modern conservation programs, for it is useless to attempt to preserve a living species unless the kind of land or water it requires is also preserved.” Rachel Carson, Silent Spring
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