I'm interested in RIGK's commitment to sustainability. What is their main environmental goal, and how do they specifically contribute to this goal through their services, particularly regarding used packaging and plastics? Please provide their core environmental objective and the primary service method they use to achieve it.
Navigate to rigk.de. Accept all cookies. Click on the 'Nachhaltigkeit' (Sustainability) link. Click on the 'Was ist Nachhaltigkeit?' (What is Sustainability?) sub-link. Identify RIGK's primary environmental objective. Identify how their services, specifically involving packaging and plastics, contribute to this objective. State RIGK's main environmental goal and their core method of contribution.
Successfully navigate to the 'Was ist Nachhaltigkeit?' page. State RIGK's primary environmental objective as: Protecting climate and biodiversity, preserving habitats and landscapes, and conserving economic resources. State their core method of contribution as: Through the return and recycling of used packaging and plastics.