The League of Women Voters of the North Country will present four speakers on aspects of renewable energy systems. Curt Snyder, owner of Crest Solar and Scott Buffett, Assistant Professor of Wind Technology at Clinton Community College, will speak on solar and wind. James Murray, from Greenway Energy Solutions, will talk about geothermal systems. Ed Woltner, owner of Woltner Summit Contracting, will discuss energy saving through retrofitting. Free and open to the public.