11 - planetary health/biomass/rural poverty

Question 1

global health

Answer 1

improving health and achieving health equity world wide

Question 2

planetary health

Answer 2

health of human civilizations and the state of the natural systems on which it depends

Question 3

how does food both indirectly and directly affect human health

Answer 3

you need good quality food to maintain your health

food production can affect the environment (greenhouse gas production, habitat destruction, pesticide use causing pollution)

Question 4

what does planetary health diet refer to

Answer 4

the critical role that diet plays in linking human health with environmental sustainability

Question 5

what are the two targets in planetary health

Answer 5

healthy diets - optimizes health in the WHO holistic definition. Optimal caloric intake, more unsaturated fats and less sugars and processed foods

sustainable food production

Question 6

by 2050 what two changes to global diet need to be made

Answer 6

more than doubling the consumption of healthy foods such as fruits, vegetables and legumes

greater than a 50% reduction in consumption of less healthy foods such as added sugars and red meat

Question 7

six key earth system processes needing to be controlled for food production

Answer 7

greenhouse gas production
land use
water use
nitrogen cycle
phosphorous cycle
biodiversity

Question 8

Canada is warming faster than the rest of the world at _____ the global rate

the Canadian arctic is warming even faster at _____ the global rate

Answer 8

canada at 2x the global rate

Canadian arctic at 3x the global rate

Question 9

why is Canada warming faster

Answer 9

Canada is closer to the arctic and has more melting ice which means it absorbs more sunlight, Canada is a large country with a large amount of land mass - land warms quicker than water

Question 10

what makes wood etc a renewable energy source

Answer 10

burning of wood releases CO2 but then planting new trees will absorb CO2 from the atmosphere

Question 11

what is the issue with first generation biofuels

Answer 11

youre wasting food - first generation biofuels are food crops like corn - when poverty is an issue affecting hundreds of millions worldwide, food should be reserved for eating not burning

Question 12

second generation biofuels

Answer 12

derived from non-food biomass like agricultural and forestry residues, or crops which are not intended to be eaten (ex switch grass)

Question 13

third generation biofuels

Answer 13

produced from algae - potentially offer higher productivity with minimal competition for land use

Question 14

carbon sink

Answer 14

something that absorbs more carbon from the atmosphere than it releases