ST. PETERSBURG — As she arrived to speak at the region’s first ever resilience leadership summit, Tampa Mayor Jane Castor came upon a hotel parking lot packed with cars. Hundreds of people from local governments, universities and scientific consulting firms had shown up Tuesday. Valets at the Hilton in Carillon Park double-parked vehicles, choking the entry. The scene summarized the day: a symbol both of the growing interest in climate change in Tampa Bay and the enormous hurdles officials face as they aim to curb emissions (from cars, for instance) contributing to rising seas. **SNIP** Among the first speakers was...