global population and climate change Flashcards
(16 cards)
what is the ozone layer
ozone layer filters out much of the solar ultra violet radiation
what happened when the Layer becomes depleted
more UV rays reach the earth
how is skin cancer linked to ozone depletion
skin cancer caused by exposure to the sun .
ultra violet light in the sunlight damages the DNA in skin cells .
when the ozone layer becomes depleted more UV rays will reach earth - increase skin cancer
skin cancer in Australia
highest rate of skin cancer
combination of light skinned people and tropical climate
how many Australians a year are diagnosed with skin cancer by 70
how many die a year?
2/3 Australians are diagnosed with skin cancer by 70 .
2000 die a year
what is cataracts
form of eye damage . causes loss of transparency in the lens. cloudy vision
how is cataracts linked to the ozone layer
exposure to UV radiation can damage the eye .
increased onzone depletion means risk of UV light is increasing
what is cataracts treatment
surgery to remove Cloudy lens and replace with a clear one
what are rising temperatures causing and what are the health impacts
severe weather - injures , fatalities
heat - heat stress , cardiovascular failure
air pollution - asthma , cardiovascular disease
what Is extreme weather causing and the health impacts
vector borne diseases - malaria
allergies - respiratory allergies
waterborne diseases - cholera
rising sea levels causes and health impacts
envrimoental refugees - forced migration , conflict
mental health - anxiety
water and food suply - malnutitionment
main risks from thermal stress
over heating
dehydration
heat stroke
who is most at risk from heatwaves
very young and very old
when and how many people died from the heatwave in northern France
august 2003
15000 deaths
heatwaves lead to
wildfires
smog
dust
water shortages
where is there a bigger impact of heatwave s
cities and developing countries
