This special program explores a variety of climate-focussed issues, including how wildland firefighters in parts of country are having to innovate in order to combat the recent surge in wildfires; the effort to bring alternative power to communities nationwide; the jobs created by the clean energy industry; and a look at why there is an increase in shark sightings on Long Island. “Impact: Climate & Sustainability” is hosted by ABC News correspondent Aaron Katersky.

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