The four years with the most billion-dollar disasters have all happened since 2011.
These states have suffered the most billion-dollar weather and climate disasters since 1980.
Scientists have concluded that rising sea levels caused by global warming threaten new homes in the greater Philadelphia area, including in New Jersey and Delaware.
The amount of carbon dioxide in the atmosphere has a strong correlation with rising temperatures.
Greenhouse gases come from several sources in the U.S., not just your furnace and you car exhaust.
Greenhouse gases held steady for hundreds of years, but have jumped up since the start of the industrial era.
Sea level rise will threaten hundreds of thousands of homes in the coming decades — and many communities have built a striking number of new homes in the future flood zone.