Climate change refers to changes in global or regional climate patterns over long periods of time. It is caused by both natural factors like variations in solar radiation and plate tectonics, as well as certain human activities that release greenhouse gases. Climate change is leading to rising global temperatures, rising sea levels, and more extreme weather events. It threatens plants and animals through changing habitats and environmental conditions exceeding physiological limits.

1. Climate change
WHAT IS IT AND WHAT CAUSES IT?

2. What is climate change?
Climate change is a change in global or regional climate
patterns.
It can be judged by how much rain a place usually gets a
year and usual temperature changes in different
places.

3. What causes climate
change?
 Climate change is caused
by factors such as:
 variations in solar radiation
received by Earth
 plate tectonics
 volcanic eruptions
Certain human activities have
been identified as primary
causes of ongoing climate
change, often referred to as
global warming.

4. How it affects plants and animals
Animals
Polar bears live on the Arctic sea ice, which
is rapidly melting. (They could become
extinct)
Ducks, geese and other waterfowl across
the country are changing behaviors and
migration patterns from the extreme
weather and floods caused by climate
change.
Plants
CO2 concentrations have are still rising
and it affects how plants photosynthesise.
Extreme temperatures can be harmful
when beyond the physiological limits of a
plant.

5. Evidence of climate change
Carbon dioxide level rise
Global temperature rise
Sea level rise

6. Carbon dioxide (CO2)
 Carbon dioxide is the most significant long-lived greenhouse gas in Earth's
atmosphere. Since the Industrial Revolution anthropogenic emissions – primarily
from use of fossil fuels and deforestation – have rapidly increased its
concentration in the atmosphere, leading to global warming. Carbon dioxide also
causes ocean acidification because it dissolves in water to form carbonic acid.

7. Global temperature rise
In the Northern Hemisphere, where most of Earth's land mass is located, the three
decades from 1983 to 2012 were likely the warmest 30-year period of the last 1,400
years

8. Sea level rise
• Seas around the
world have risen
an average of
nearly 8
centimeters
since 1992

9. What global warming does to the weather
Global warming is rising the temperature
which can cause many types of disasters, such
as:
rising the temperature which can cause many
types of disasters, such as:
 Storms
 Heat waves
 Floods
 Wildfires