Several of the library's Research Starter databases can help you explore topic ideas related to the three pillars of sustainability. Each of the links listed here takes you into a different database. Once in the database, you can explore more specific topics. The content in each database will vary so try exploring a few of them.
If you've already chosen a topic, a CQ Researcher report or Topic Page from one of the "in Context" databases will give you a solid understanding of the issue and get you started finding sources.
"The Sustainable Development Goals are the blueprint to achieve a better and more sustainable future for all. They address the global challenges we face, including those related to poverty, inequality, climate change, environmental degradation, peace and justice." (From UN SDG website.)
These goals may prompt ideas for areas to research related the pillars of sustainability.