Air pollution

Question 1

air pollution facts

Answer 1

who considers air pollution a public health emergency causes 7 million premature deaths, mainly a problem in developing countries in asia/africa

Question 2

indoor sources

Answer 2

coal/biomass (wood/animal dung), open fires, responsible for 3 million deaths per year

Question 3

outdoor sources

Answer 3

natural (volcanoes/wildfires), transport, industrial, waste burning

Question 4

combined figures

Answer 4

both cause 7 million deaths per year

Question 5

types of pollution

Answer 5

carbon monoxide, lead

Question 6

conditions causing high air pollution

Answer 6

still air and high pressure causes high air to sink and warm up acting as a lid of cooler air below which traps pollution in cities

Question 7

health effects

Answer 7

toxic particles are breathed in and travel through bloodstream and reach cardiovascular system, stroke/lung cancer/asthma

Question 8

london

Answer 8

used to have lots of pollution in industrial revolution, in 50s there were 4000 deaths then 12000 in following weeks, then in 90s increase in asthma/heart disease/hospitalisation

Question 9

solutions

Answer 9

reduce fossil fuels, renewable energy

Question 10

uk clean air act 1956

Answer 10

made in response to 50s london smog, smoke free areas, restricted coal burnt in homes

Question 11

uk

Answer 11

cleaner as of act and less coal burnt

Question 12

rest of world

Answer 12

reduced in developing countries as policies and going through industrial revolution