In order to reduce our emissions, we need to know how many emissions are associated with any given service or product. While many emissions are obvious to see and estimate (like the emissions from a internal combustion engine car), some emissions are indirect and hidden (like the emissions created from building the car). Researchers use “life cycle analysis” to look at every stage of a products life and find out how many total emissions it creates. Looking up the results of a life cycle analysis can help us find out what options are more sustainable and help us reduce of overall impact on the environment.

Laura and Graham explain what a life cycle analysis is, and give some examples of how we can use it to find more sustainable options for our lives.

Papers referenced:

https://www.researchgate.net/publication/328546118_Comparative_Life_Cycle_Assessment_of_Milk_and_Plant-Based_Alternatives

https://www.ucsusa.org/resources/cleaner-cars-cradle-grave

How Clean is Your Electric Vehicle? an interactive tool here :

https://evtool.ucsusa.org/

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