Supply chains

Wetlands aren’t the most eye-catching ecosystems. They include swamps, bogs, fens and other places where soil is covered by water most of the time. But they perform a huge range of valuable services, from soaking up floodwaters to filtering out pollutants and providing habitat for thousands of species of mammals, fish, reptiles, insects and birds. In a high-profile 2023 ruling, Sackett v. Environmental Protection Agency, the U.S. Supreme Court greatly limited federal power to protect wetlands. According to one estimate, this ruling stripped federal protection from up to 90 million acres of wetlands across the U.S. Today, the U.S. is losing wetlands, mainly to development and agriculture, at an accelerating rate. With Congress polarized and gridlocked, new federal wetland protection laws are unlikely to be enacted in the next several years. Some states have stepped up to fill the gap, but others have instead chosen to roll back their existing protections. This comes despit...

After two years of intense public debate, the U.S. Securities and Exchange Commission approved the nation’s first national climate disclosure rules on March 6, 2024, setting out requirements for publicly listed companies to report their climate-related risks and in some cases their greenhouse gas emissions. The new rules are much weaker than those originally proposed. Significantly, the SEC dropped a controversial plan to require companies to report Scope 3 emissions – emissions generated throughout the company’s supply chain and customers’ use of its products. The rules do require larger companies to disclose Scope 1 and 2 emissions, which are emissions from their operations and energy use. But those disclosures are required only to the extent that the company believes the information would be financially “material” to a reasonable investor’s decision making. More broadly, the new rules require publicly listed companies to disclose cli...

Leia em português. Many of the world’s largest public and private companies will soon be required to track and report almost all of their greenhouse gas emissions if they do business in California – including emissions from their supply chains, business travel, employees’ commutes and the way customers use their products. That means oil and gas companies like Chevron will likely have to account for emissions from vehicles that use their gasoline, and Apple will have to account for materials that go into iPhones. It’s a huge leap from current federal and state reporting requirements, which require reporting of only certain emissions from companies’ direct operations. And it will have global ramifications. California Gov. Gavin Newsom signed two new rules into law on Oct. 7, 2023. Under the new Climate Corporate Data Accountability Act, U.S. companies with annual revenues of US$1 billion or more will have to report both their direct and indire...

The Russia-Ukraine grain deal that has been critical to keeping global food prices stable and preventing famine is currently in tatters. On July 17, 2023, Russia said it was pulling out of the year-old deal, which allowed shipments of grains and other foodstuffs to travel past the Russian naval blockade in the Black Sea. And to make matters worse, over the next two days Russia bombed the Ukrainian grain port of Odesa, destroying over 60,000 tons of grain. As a result, food prices have surged, with the cost of wheat, corn and soybeans in Europe, the Middle East and elsewhere all skyrocketing. So, what is the grain deal, and why is it so important to the global food supply chain? Anna Nagurney is an expert on supply chains, including those involving perishable products like food, and is co-chair of the board of directors overseeing the Kyiv School of Economics in Ukraine. She explains how important Ukrainian grain is to feeding the world – and why the Black Sea is a vita...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. How many Amazon packages get delivered each year? – Aya K., age 9, Illinois It’s incredibly convenient to buy something online, right from your computer or phone. Whether it’s a high-end telescope or a resupply of toothpaste, the goods appear right at your doorstep. This kind of shopping is called “e-commerce” and it’s becoming more popular each year. In the U.S., it has grown from a mere 7% of retail purchases in 2012 to 19.6% of retail and US$791.7 billion in sales in 2020. Amazon’s growing reach For Amazon, the biggest player in e-commerce, this means delivering lots of packages. In 2021 the company shipped an estimated 7.7 billion packages globally, based on its nearly $470 billion in sal...