Public procurement plays a critical role in combating climate change, as it allows governments to leverage their substantial purchasing power to promote sustainability and reduce greenhouse gas (GHG) emissions. H
Followings are how public procurement may contribute

Reduces Waste: the government can buy recyclable or reusable
Cuts Down Pollution : choose less pollutions from factories
Sets a Good Example : government action can be and example for businesses to follow the footsteps of The government while selecting exo friendly goods
Buys Eco-Friendly Products
Sets Green Rules for Suppliers
Supports Green Jobs and Businesses : government can encourage jobs and businesses that is good for the environment