In	this	context,	CGD	takes	on	the	role	of	an	agent	for	change	in	the	value	 chain, promoting sustainability principles upstream as a way of mitigating the environmental and social risks associated with its supply chain, namely through ethical principles and good business practices, in line with the principles of the Global Compact and the obligations set out in the environmental, health and safety best practice guide attached to contracts, as applicable to the nature of the service provided.