James Lovelock - Gaia

Question 1

how old is the earth?

Answer 1

4.5 bill years old

Question 2

by 2007 how much of ice floating in arctic has melted?

Answer 2

60%

Question 3

latent heat

Answer 3

temperature required to change the state of substance

Question 4

current CO2 levels

Answer 4

415ppm

Question 5

What did Hanson say atmospheric co2 levels should be bellow?

Answer 5

310ppm

Question 6

what happened at Mt. Pinatubo ?

Answer 6

released aerosols that reduced global climate by 0.5’C for 3 years

Question 7

what is the only effective adaption?

Answer 7

population decline

Question 8

what does the chairman of IPCC suggest?

Answer 8

a vegetarian diet reduced carbon footprint

Question 9

positives of Nucleur power

Answer 9

• no emitted energy
• lower carbon footprint
• little waste -
• abundance of uranium
• safe - coal mines have killed more

Question 10

2 billion years ago what did photosynthesis cause?

Answer 10

mass extinction of anaerobic species

Question 11

why did photosynthesis cause mass extinction?

Answer 11

because too much oxygen, they either died out or adapted by going underground

Question 12

what are 3 types geoengineering?

Answer 12

biological, active/gian, physical

Question 13

physical geoengineering

Answer 13

sunlight is reflected back into space through albedo

Question 14

biological geoengineering

Answer 14

encourage plants

Question 15

Active/gian geoengineering

Answer 15

earth’s ecosystem for power

Question 16

what is Gaia?

Answer 16

earth’s biosphere acts as one single organism - work together to promote life on earth

Question 17

what is the root of the problem?

Answer 17

too many people and their pets and livestock

Question 18

by existing, how much greenhouse gases are people and their dependent animals responsible for?

Answer 18

10X of all global airlines