Renewable Hydrogen in Germany, Poland and Portugal Green(ing) H2: National & EU Workshops OesteSustentável- Regional Agency for Energy of the Western region of Portugal ZERO – Association for the Sustainability of the Earth System Green(ing) H2: EU Workshop Green(ing) H2: National Workshops Green(ing) H2 Living Streets Three Presidencies for Climate: Think European – Act Local Low-carbon Healthcare in the Mediterranean Region