Walmart’s current goal is to achieve zero waste in their Canada, Japan, U.K. and U.S. operations by 2025. The retailer’s 2018 sustainability report says that by the end of last year, Walmart had diverted 81 percent of its U.S. waste from landfills, and 78 percent globally. Here’s a closer look at the company’s approach.

Over the past year, a group of top global retailers and food companies have been working with IBM on testing blockchain technology to improve traceability in their supply chains. The companies include Nestlé, Unilever and Walmart.

Levi Strauss & Co. has announced a new climate action strategy that sets targets for reducing carbon emissions across its owned-and-operated facilities and global supply chain by 2025. These goals have been approved by the Science Based Targets initiative.

The Climate Group launched a new initiative last week called Zero Emission Vehicle (ZEV) Challenge that unites the global purchasing power of businesses, cities, states, regions, and NGOs for electric and other non-fossil-fuel vehicles.