BRAINCAKEClimate Change
Weather is the state of the atmosphere at a given place and time: temperature, rainfall, wind and cloud. Climate is the average weather of a region measured over a long period, usually 30 years or more. Climate change is a significant, long-term change in these average patterns.
Global warming is the increase in the Earth's mean surface temperature. It is one part of climate change: a warmer planet also has changed rainfall patterns, rising sea levels and more frequent extreme weather. Since the late 19th century the mean global temperature has risen by about 1.1 to 1.2 °C.
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More in Human Influence on Ecosystems
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All 29 lessons in Human Influence on Ecosystems · All Edexcel A-level Biology topics