Let the reports speak for themselves.
Is there a changing climate? The United States intelligence services and the Defense Department have decades of reports that call out the increasing risks of climate change -- to our national defense. See Climate change poses security risks, according to decades of intelligence reports.
These are not some "pointy-headed scientists" ringing the alarm bells, it is our own uniformed military leadership.
Read the article and the excerpts over the years that call out the issue of climate change.
I will also note for you that the "sunny-day flooding" at one naval base here in the United States has been called "coastal flooding" when the Navy personnel testifying are explaining the issue to Congress, being careful not to call it what it is, "sea rise!"