Troposphere Definition

by Laurent Cousineau

The troposphere is the lowest layer of the atmosphere, extending from the surface of the Earth to about 10 kilometres in altitude, on average.

Essentially, it is around 10 km high in mid-latitudes, but can range from 9 km in high latitudes to as much as 16 km in altitude in the tropics.

Clouds and weather events occur in the troposphere.

In general, temperatures decrease with height within this layer.

Troposphere and Climate Change

Greenhouse gases responsible for the greenhouse effect trap heat within the troposphere.

This is what causes global warming, the increase in average surface temperatures around the globe.

In order to help stop climate change, we must reduce our greenhouse gas emissions.

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