the atmosphere - carbon footprint

Question 1

what is the carbon footprint?

Answer 1

the total amount of carbon dioxide and other greenhouse gases emitted over the full life cycle of a product, service or event

Question 2

how to reduce carbon dioxide emissions?

Answer 2

• insulate homes or turn down heating (gas used in homes)
• use public transport such as buses and trains as they release less CO2 per passenger (cars release CO2)
• use renewable energy resources of electricity eg wind power
• reduce how much electricity used in homes such as switching to energy saving lightbulbs and turning off appliances at the plug than leaving them on standby

Question 3

what are the problems with the solutions to reducing carbon dioxide emissions?

Answer 3

• expensive and people are reluctant to pay
• inconvenient. people like driving over public transport such as

Question 4

how to reduce methane levels? + problem

Answer 4

• people eat less beef and less dairy products (cows release methane).
  problem= people enjoy eating these + unlikely to change diet
• in landfills, trap methane and burn it to produce electricity. good idea as methane a more powerful greenhouse gas than carbon dioxide
  problem= trapping + burning methane costs money