comparing different energy sources

Question 1

fossil fuels negatives:

Answer 1

produces pollution
produces greenhouse gases
non- renewable

Question 2

fossil fuels positives:

Answer 2

reliable
can produce large amounts of energy at fairly short notice

Question 3

nuclear negatives:

Answer 3

produces dangerous radioactive waste- can take thousands of years to decay
non- renewable

Question 4

nuclear positives:

Answer 4

reliable
produces no greenhouse gases of pollution
large amounts of energy is produces from a small amount of fuel

Question 5

bio- fuels negatives:

Answer 5

can take up lots of land and consume resources that are needed for food production

Question 6

bio- fuels positives:

Answer 6

renewable
CO2 produced while burning the fuel is balanced by the CO2 absorbed whilst producing it

Question 7

wind positives:

Answer 7

renewable
produces no greenhouse gases
land can still be used for farming
produces no pollution

Question 8

wind negatives:

Answer 8

not reliable
wind turbines- noisy and ugly- visual pollution
not all land is suitable

Question 9

tidal negatives:

Answer 9

can disrupt shipping
very few suitable locations
can cause environmental harm to estuaries

Question 10

tidal positives:

Answer 10

large amount of energy can be produced at regular intervals
renewable
tidals are very predictable

Question 11

hydroelectric negatives:

Answer 11

can involve flooding large areas
can destroy wildlife habitats

Question 12

hydroelectric positives:

Answer 12

produces no greenhouse gases/ pollution
can produce large amounts of energy at short notice
renewable

Question 13

geothermal negatives:

Answer 13

can result in the release of harmful gases from underground
not many places are suitable

Question 14

geothermal positives:

Answer 14

renewable
reliable
geothermal stations are usually small

Question 15

solar positives:

Answer 15

produces no pollution
produces no greenhouse gases
renewable
good for producing energy in remote places

Question 16

solar negatives:

Answer 16

solar farms can use up lots of farmland
not reliable (weather dependent)