When it comes to reducing CO2 emissions, the only option that would not help is b. using more heat.
Strategies to reduce CO2 emissions include:
- Using fuel efficient cars which use less fuel per mile and so don't pollute as much
- Recycling because it means that less goods will be produced which can increase emissions if produced
- Using less electricity means that electricity can be produced in smaller quantities and won't emit CO2 when more is produced.
Using more heat however means that more energy is being used and to replenish that energy, more CO2 will be released into the atmosphere.
In conclusion, using more heat leads to more CO2 emissions.
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