Environment The G-20 gets together for the 1st time since the pandemic. Here's what you missed It's been two years since the leaders of the 20 largest economies met in person. "We can finally look at the future with great — or with some — optimism," said Italy's Mario Draghi, the summit host. Ayesha Rascoe
Environment These 4 charts explain why the stakes are so high at the U.N. climate summit How hot will the planet get? What nations negotiate at the international climate summit will help determine that. Here are 4 things to know about what's being decided. Lauren Sommer Connie Hanzhang Jin Rina Torchinsky
Environment Once again, the U.S. has failed to take sweeping climate action. Here's why Most Americans want the government to tackle climate change, but decades of industry lobbying and misinformation have repeatedly worked together to prevent meaningful action. Jeffrey Pierre Scott Neuman
Environment Big shippers promise zero carbon by 2040. Too late, say climate activists Major shippers including Amazon and Ikea say they will stop putting their stuff on ships that burn fossil fuels in the next 20 years. John Ryan
Environment Nations are making new pledges to cut climate pollution. They aren't enough Nations are beginning pivotal talks to stop extreme climate change, but a new study shows even recent pledges to slow emissions aren't enough. Lauren Sommer
Arts & Life A photographer marries the worlds above and below the water in a single frame Photographer David Doubilet first dove below the surface at age 8 and has spent a lifetime making underwater images. He talks to NPR about his new book: Two Worlds: Above and Below the Sea. Cathy Newman
Environment Greenhouse emissions reached record levels in 2020, even with pandemic lockdowns The U.N. meteorological agency says despite a decrease in emissions due to reduced economic activity during COVID-19, CO2 and other warming gases continued to accumulate in the atmosphere. Scott Neuman
World Seville becomes the first major city in the world to categorize and name heat waves The effort, which will begin in 2022, will help the city with its disaster response if a heat wave is ranked as more dangerous. Seville's mayor hopes other cities follow suit. Deepa Shivaram
Environment Heat-loving bacteria kill thousands of Washington salmon An estimated 2,500 Chinook salmon died before they could reach their spawning grounds in Whatcom County in September. John Ryan
Environment Researchers are asking for volunteer 'walrus detectives' to spot walruses from space Conservationists are trying to track walrus populations amid climate change but they can't do it alone. Sharon Pruitt-Young
