The Center for Research on Environmental Decisions is an interdisciplinary research group affiliated with Columbia University that enables research on individual and group decision-making in the context of ongoing and future climate change and environmental risks.
Browse their publications page for reports, videos, tools, and papers stemming from their research.
There are many federal (and international) agencies that provide statistics you might use to build a case for your proposal.
Our statistics guide has links to many sources for you to explore.