SB9i Food Security

Question 1

food security?

Answer 1

having access to enough safe and healthy food at all times

Question 2

how can we ensure food security? 3

Answer 2

~improve agricultural methods
~increase the use of fertilisers
~create more productive varieties and breeds

Question 3

why can food security worsen as population increases?

Answer 3

more people are in need of more food and in poorer countries this is difficult to sustain

Question 4

how can we have food security whilst protectictng the environment?

Answer 4

by replacing meat and fish protein for vegetable protein

Question 5

food security problems?

Answer 5

~increased use of fertilisers means more needs to be made which releases CO2 and uses energy
~increased CO2 production leads to climate change
~over sustainability - ability of a process to continue at current level without causing harm, e.g. to the environment

Question 6

why is climate change a problem for food security?

Answer 6

~pests and pathogens move to new areas - midges, the vector of the bluetongue virus, which harms sheep and cattle

Question 7

how may fertiliser production cause environmental change?

Answer 7

~fertiliser production requires energy and releases carbon dioxide
~if the production and use of fertilisers increases, this could have a negative impact on the environment or food security

Question 8

what is a current sustainability issue/debate?

Answer 8

whether land should be used for biofuel or food crops