As glaciers melt, scientists study potential for more violent volcanic eruptions

Atlantic puffins face an increasingly precarious foothold due in part to a loss of habitat and to troubles tied to warming ocean waters and climate change. But an effort off the coast of Maine continues to provide a crucial nesting habitat for these seabirds and a place for them to thrive. Science correspondent Miles O'Brien traveled to the colony for our series, Tipping Point. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

In our news wrap Wednesday, a federal judge ruled that the Trump administration unlawfully terminated Harvard's research grants, Florida is moving to become the first state to eliminate all vaccine mandates for children to attend school and President Trump is defending a military strike on a boat in the Caribbean, saying it will prevent further attempts to bring drugs into the country. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Few countries in the world are considered more vulnerable to the impact of rising sea levels and climate change than Bangladesh, a nation of 175 million people squeezed into a landmass the size of Iowa. In partnership with the Pulitzer Center, Fred de Sam Lazaro traveled to Bangladesh to look at efforts to build resilience in the face of the escalating consequences. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Many Americans who want to get the newest COVID vaccines may now have a harder time doing so. The Food and Drug Administration limited approval for the shots to adults 65 and older or those who are "high risk" for severe disease. The vaccine was previously available to individuals six months of age and older. Amna Nawaz discussed the changes with Dr. Katelyn Jetelina of Your Local Epidemiologist. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Trisomy 18, also known sometimes as Edwards syndrome, is often fatal within weeks after a baby is born. But now, parents and doctors are finding ways of getting more time with those children with greater interventions and incredible commitments. Stephanie Sy discussed the difficult ethical questions around it with Dr. Sheri Fink. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

This year marks the 50th anniversary of "Jaws," the 1975 Steven Spielberg blockbuster about a ravenous great white shark. The film packed theaters and instilled a deep, lasting fear of sharks. While many Americans are terrified of them, shark attacks are relatively rare and the species is widely misunderstood. William Brangham discussed more with Keith Cowley of the Shark Research Institute. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

In cities across America, it’s become increasingly common to see coyotes in parks, golf courses and other green spaces. John Yang speaks with New York Times reporter and photographer Loren Elliott and urban ecologist Christopher Schell to learn more. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

The demand for water from the Colorado River is of paramount importance out West and the focus of some big battles. It's been especially critical for farming and agriculture. In California's Imperial Valley, there are growing questions over the use of that resource and whether bigger changes are needed. Science correspondent Miles O'Brien reports. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Scientists are flocking to Iceland to investigate an increasingly crucial question: Will melting glaciers accelerate and intensify earthquakes and volcanic eruptions? William Brangham reports. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

South Florida is vulnerable to the impacts of climate change. Start-ups, local governments and researchers are working to make the area more resilient, but federal funding cuts may hinder those efforts. William Brangham traveled to the region and reports for our series, Tipping Point. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy