PBS News Hour - Science

Markets to offset carbon emissions are now worth about $2 billion annually, and supporters say they're a key tool to address climate change. But carbon credits have also been criticized for being opaque and not reducing emissions nearly enough. Stephanie Sy reports on an effort to boost the integrity of carbon markets and open them up to small landowners. It's part of our series, Tipping Point. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

The European Union's climate commissioner has told the 27-country bloc that the only way out of energy crises fueled by the wars in Iran and Ukraine is homegrown energy, and that the EU must accelerate its transition away from fossil fuels. One country leading the charge towards green energy is Denmark. Special correspondent Malcolm Brabant 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

Roughly one in ten Americans gets their water from the Colorado River. But a worsening drought, driven in part by climate change, is drying up the river, and states are fighting over water rights. Horizons moderator William Brangham explores what that means for communities and industries that depend on that water with Luke Runyon, Wade Crowfoot and Joel Ferry. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Coral reefs are essential to the health of oceans, the food supply and to protecting the coast from storms. But as climate change pushes ocean temperatures higher, reefs are dying and bleaching events have put them at higher risk. Special correspondent Ben Tracy with Climate Central reports on an unlikely tool to bring reefs back from the brink. It's part of our series, Tipping Point. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

The COVID pandemic overwhelmed our health care system and killed well over a million Americans. Fast-tracked vaccines saved millions, but missteps in the response and misinformation online have damaged trust. Horizons moderator William Brangham explores the state of America's public health system and whether it's prepared for the next pandemic with Dr. Josh Sharfstein and Elizabeth Cameron. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

International Dark Sky Week is hailed as a global celebration of the night and a call for less light pollution. In some cities internationally, local governments are trying to find a solution to lighting the night can better serve critical wildlife ecosystems and humans alike. Malcolm Brabant reports from Denmark. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

For thousands of years, humans have tried to avoid growing old. Billions are spent every year on potions and procedures to make us look younger, feel younger and think younger. It's a hugely profitable, but ultimately fruitless hunt. But science has started to zero in on some proven techniques. Horizons moderator William Brangham explores that with Dr. Eric Topol and Dr. Sandra Weintraub. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

As the impact from the war in Iran grinds on, Americans are feeling it at the gas station. Evangelists for clean energy say the oil shock is an opportunity to embrace the transition to renewable power like wind and solar. With energy prices on the rise, Horizons moderator William Brangham explores if Americans are open to a new way of powering our world with Bill McKibben and Jigar Shah. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Americans are anxious about their jobs and whether artificial intelligence is coming for them. Some prominent voices call it catastrophic, others say it's hype. The data, so far, is somewhere in between and deeply contested. Geoff Bennett spoke with Josh Tyrangiel about his recent story for The Atlantic, "America Isn't Ready for What AI Will Do to Jobs." PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

The four-astronaut crew of NASA's Artemis II flew to the far side of the moon and set a record for the farthest distance from Earth traveled by any human. Monday's seven-hour lunar flyby was the most anticipated part of the mission. Amna Nawaz discussed the historic achievement with science correspondent Miles O'Brien. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy