The Path to The Path to Climate Climate Neutrality Neutrality - - PowerPoint PPT Presentation

The Path to The Path to Climate Climate Neutrality Neutrality

But why?

Global Warming Potential (GWP Global Warming Potential (GWP

100 100) of

) of Main Greenhouse Gases Main Greenhouse Gases Carbon Dioxide (CO

2)

1 Methane (CH

4)

28 Nitrous Oxide (N

2O)

265

Half Half-Life of Main Life of Main Greenhouse Gases in Years Greenhouse Gases in Years Carbon Dioxide (CO

2)

1,000 Methane (CH

4)

10 Nitrous Oxide (N

2O)

110

If herd sizes do If herd sizes do not increase for not increase for 10 years, then 10 years, then additional additional methane is not methane is not added to the added to the atmosphere. atmosphere.

https://www.nature.com/articles/s41612- 019-0086-4.pdf https://theconversation.com/why-methane-should- be-treated-differently-compared-to-long-lived- greenhouse-gases-97845 https://www.carbonbrief.org/guest- post-a-new-way-to-assess-global- warming-potential-of-short-lived- pollutants

Cain, M., Allen, M. & Lynch, J. Oxford Martin Programme on Climate Pollutants (2019). Read more at: https://www.oxfordmartin.ox.ac.uk/downloads/academic/201908 _ClimatePollutants.pdf.

Cain, M., Allen, M. & Lynch, J. Oxford Martin Programme on Climate Pollutants (2019). Read more at: https://www.oxfordmartin.ox.ac.uk/downloads/academic/201908 _ClimatePollutants.pdf.

Oxford Martin, Climate Metrics for Ruminant Livestock, July 2018, https://www.oxfordmartin.ox.ac.uk/downloads/reports/Climate-metrics-for-ruminant- livestock.pdf%C2%A0

How do we do it?

Since 2015 California dairies have reduced 2.2 million 2.2 million metric tons metric tons

• f greenhouse

gases

That’s a 25 percent 25 percent reduction in GHG emissions.