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Environment P1

Energy sources and the environment P1

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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