Types of Pollution
Name one gas released by vehicles
nitrogen oxides, sulfur oxides, carbon compounds
What type of rain damages forests?
Acid rain
What would Earth´s temperature be with no greenhouse gases?
-18 degrees celcius
Name one clean energy source
solar, wind, or tidal energy
Name one sign of climate change
Global temperature increases
sea level rises
extreme weather increases
glaciers retreat
sea ice decreases
What types of farms release methane?
Large livestock farms
What health problems can pollution cause?
Respiratory problems, asthma, allergies
What is the normal temperature with greenhouse gases?
about 15 degrees celcius
Give one way to reduce pollution from cars
Use public transport
Use electric vehicles
What happens to glaciers?
They retreat
Which pollutant destroys the ozone layer?
CFCs (chlorofluorocarbons)
How can heavy metals affect animals?
They accumulate in soil/water - enter food chains - can poison and kill animals
Why does too much CO2 cause global warming?
It traps too much infrared radiation, causing the planet to overheat.
What is one corrective measure we mentioned?
Reduce fossil fuel use
install filters in chimneys
remove excess CO2 from the atmosphere
How does climate change affect sea level?