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sudan khartoum environment sustainability hub ngo space youth co-working green collaboration teamwork 賮乇賷賯 丕賱毓賲賱 sustainable development teams 丕賱毓賲賱 丕賱噩賲丕毓賷 丕丿丕乇丞 丕賱賲卮丕乇賷毓 project management haggar sycm rida craftoum x-group kyomi entrepreneurship startup small business community environmental education pet pete waste management recycling environmental awareness plastic bottles