Category Nuances for renewable_energy:

• economic,
• strategic,
• clean,
• smaller,
• dynamic,
• desirable,
• new,
• successful,
• developing,
• hot,
• sustainable,
• important,
• technological,
• diverse,
• varied,
• innovative,
• industrial,
• relevant,
• environmental,
• alternative,
• intensive,
• noble,
• main,

Simple Categories for renewable_energy:

• initiative,
• energy,
• sector,
• development,
• action,
• sustainability,
• system,
• measure,
• activity,