PBS News Hour - Science

The U.S. produces more plastic waste than any other country in the world. Last year, more than 35,000 tons of it was shipped to Malaysia, which received more discarded plastic from rich nations than any other developing country. But in June, Malaysian leaders effectively banned future shipments. John Yang speaks with Anja Brandon, director of plastics policy at Ocean Conservancy, to learn more. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

According to a recent study published in the journal Nature Cities, 28 of the most populous U.S. cities are sinking. It’s due to a phenomenon called land subsidence, exacerbated in many cases by humans extracting too much groundwater from underground aquifers. Ali Rogin speaks with Grist senior writer Matt Simon to learn more. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

The 2015 Paris agreement’s goal of limiting global warming to 1.5 degrees Celsius was thought to be the threshold for averting severe climate change impacts. But new research says even that level is too high to prevent the catastrophic consequences of sea level rise due to melting glaciers. John Yang speaks with Chris Stokes, one of the study’s authors, to learn more. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

President Donald Trump went to Iowa on Thursday to start the countdown to the nation’s 250th Independence Day next year. To mark the anniversary, the nonpartisan Center for the Study of the Presidency and Congress is looking at 250 years of U.S. innovation. John Yang speaks with Glenn Nye, the center’s president and CEO, about the project. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Provisions in the GOP policy bill would end a host of tax credits for renewable energy, including one that allows homeowners to recoup 30 percent of the cost of a rooftop solar system. Businesses say it could deal a serious blow to the industry. Geoff Bennett discusses the potential with Dan Conant of Solar Holler, a solar installation company in West Virginia, for our series, Tipping Point. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Humpback whales are some of the largest creatures on Earth and live in every one of the planet’s oceans. Their seasonal migrations are among the longest of any mammal, stretching thousands of miles. Now, scientists are using AI-powered facial recognition technology to track the whales on their journeys, offering new insights into their habits and health. John Yang reports. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

One of the largest challenges facing India: how to sustain food production for 1.4 billion people amid deteriorating soil quality, diminishing water supplies and climate change. For some, including hundreds of artificial intelligence startup companies, the challenge represents a business opportunity. From India, Fred de Sam Lazaro reports.

PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

OpenAI, the company behind ChatGPT, is one of the most famous and secretive companies in the world working to develop artificial general intelligence that would match or surpass the cognitive abilities of humans across every task. Investigative journalist Karen Hao joins Ali Rogin to discuss her new book, “Empire of AI: Dreams and Nightmares in Sam Altman’s OpenAI," which delves into the company. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Researchers in Florida are testing a new gene-edited tree that they hope will be able to fight off the tiny insects that have devastated the state’s orange groves for years. Colleen Krantz of Iowa PBS reports. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

A group of gray seals in Rhode Island are making a splash. They were rescued in March and April after becoming entangled in fishing gear and other debris near Block Island. Several were recently released after being rehabilitated. John Yang has the story. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy