Let's Do Science 3 – Text Book B

Page 82

ga le du ca Climate Change hange

Climate change describes the ways in which the Earth’s climate mate changes change slowly over time. he Earth’s climate has been In the past, the colder and hotter than it is now. Scientists have red that human hum activities, mostly the discovered burning of fuels, are a causing the climate to get fas than normal. hotter much faster increas in temperature is causing ice in Thiss increase the Earth’s polar regions and glaciers to melt faster than normal, leading to rising sea levels.. These The changes are affecting living things and people peop in many ways. As A the sea level rises, coastal areas around the Earth are at risk of flooding. Scientists have also discovered that hotter temperatures are causing more extreme weather. There are longer droughts and floods, stronger hurricanes and bigger wildfires.

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