A Heat Island is an urbanized area with less tree coverage and green space that experiences higher temperatures than surrounding locations.

The current stadium deal allows the Commanders an exemption to cut down "heritage trees,” large, mature trees that are illegal to cut down due to their irreplaceable environmental benefits. Read the Washington City Paper article about the heritage and "special tree" exemption -- and the $1Million tree removal fine waver.

Sign the Casey Trees petition to rescind the exemption.

Click each image below to learn more.