Waste

Question 1

what is waste and where does it come from

Answer 1

waste is something we don’t see as useful, comes from everything

Question 2

some things that may seem as waste are useful to others

Answer 2

in nutrient cycles, where plants use co2 which is a waste from animals or when fertiliser for roses from horses

Question 3

most human waste

Answer 3

energy/plastic

Question 4

problems with waste

Answer 4

growing population/increases plastic meaning more waste than ever so need more management strategies

Question 5

types of waste

Answer 5

solid/liquid/gas

Question 6

sources of waste

Answer 6

farming/mining/construction/fuel

Question 7

waste disposal, landfill

Answer 7

dumping waste in environment and buried, done right can cause little damage and provide recreation areas but if bad can cause leakage, contamination, diseases etc

Question 8

waste disposal incineration

Answer 8

burning waste, alternative as some waste cant be buried but can release harmful emissions (co2/nitrogen) but nitrogen can be used for fertiliser

Question 9

policies to OECD

Answer 9

waste cant be moved unless its allowed by country receiving waste, movement of waste only allowed if there’s ways to dispose of waste

Question 10

re-using

Answer 10

best way is to reuse to prevent waste being made and reduce resources used, examples of reusable bottles/bags for life

Question 11

recycling

Answer 11

turn products into something else by using old resources, compost/wastewater

Question 12

denmark

Answer 12

has policy to encourage recycling as it runs out of landfill space

Question 13

prevent waste

Answer 13

stop at source, cleaner production