Do some investigating, come up with some strategies to meet the UN’s goal.
Eventually you will present to the gr 5&6 social justice team, and create a presentation to share on the social justice blog.
https://sustainabledevelopment.un.org/?menu=1300
https://www.un.org/sustainabledevelopment/takeaction/
https://kids.kiddle.co/Sustainable_Development_Goals
http://sdgtoolkit.org/tool/sdgs-for-kids/
you are welcome to use other reliable links as well.