Walmart makes an investment in vertical farming start-up Plenty

Good News Notes: “Walmart said Tuesday that it is investing in vertical farming company Plenty and plans to carry the start-up’s leafy greens in all California stores later this year. The big-box retail giant did not disclose the size of the equity stake or the terms of the commercial deal, but said a Walmart executive will…

This startup uses the cooling towers on buildings as carbon capture devices

Good News Notes: “On top of a nondescript industrial building in the Bay Area city of San Leandro, a company is pioneering a new way to fight climate change: Hacking a cooling tower—the equipment used for air conditioning in large buildings—to help pull CO2 from the atmosphere. So-called direct air capture machines are already in use elsewhere….