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Environment P1
Energy sources and the environment P1
| Question | Answer |
|---|---|
| Which fossil fuel releases the most emissions when burned? | Coal- then oil- then gas |
| What can the combustion of oil and coal also lead to and why? | Acid rain because it produces sulfur dioxide |
| How can sulfur emissions be reduced? | By removing the sulfur from the fuel before it is burned |
| What are three problems with nuclear power? | • Hard to dispose of once burned • Overall costs are very high • Risk of nuclear disaster |
| What are the two advantages of nuclear power? | • No CO2 is produced • Uranium and plutonium are fairly cheap |
| One environmental problem with oil? | Oil spills |
| What about one environmental problem with coal? | Quarrying damages landscapes/habitats |
| Advantages of biofuels?(2) | • Carbon neutral • Quickly and easily produced |
| Disadvantages of biofuels?(2) | • A lot of space needed to grow them that destroys habitats etc. when cleared • Will only be carbon neutral if you grow as many plants as you burn |
| How does CCS (Carbon Capture and Storage) work? | • Carbon dioxide released from chimneys of power stations and collected before it goes in to the atmosphere • Then pumped in to empty gas fields under the sea • Safely stored without releasing any CO2 |
Created by:
GuyBrazier
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