As a sustainability consultant, your main responsibilities are to evaluate energy performance and green practices within a company and to provide actionable strategies to improve sustainability. Your job duties include collecting and reporting on environmental and energy data, proposing strategies for energy efficient facilities management, managing waste management and recycling programs, and educating employees on sustainable practices. You need an in-depth understanding of sustainability and green business practices as you are the company expert on the topic. You need strong interpersonal and communication skills to succeed in sustainability consulting jobs.