How a Chinese delicacy got caught in the crossfire of Trump's trade war
SUQUAMISH, Wash. — For over two decades, Suquamish tribal member Joshua George has dived into the emerald waters of the Salish Sea looking for an unusually phallic clam that's coveted thousands of miles away.
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ASK A MET: How wildfire smoke turns the sky an eerie red
Ever wonder why the sky is blue on a clear day, but red when there are pollutants such as smoke in the air? Wildfire smoke fills the air with tiny particles. The particles, such as soot, ash, and other aerosols, are much larger than the gas molecules in the atmosphere. DON'T MISS: In simple terms, the skies turn red from wildfire smoke due to how the air particles in the smoke scatter sunlight. That is due to two processes called Rayleigh scattering and Mie scattering. Rayleigh scattering happens when light hits very small particles, much smaller than the wavelength of light (like oxygen or nitrogen molecules in the air). This process scatters shorter wavelengths more like blue and purple, much longer than red. That is why the sky looks blue. Mie scattering occurs when light encounters larger particles, like smoke, dust, pollen or water droplets. These particles are about the same size or larger than the wavelength of light. This process scatters all wavelengths more equally, not favouring blue like Rayleigh does. This leads to whiter or greyer appearance in the sky, especially when it's hazy. It can also make the sun look milky or red, especially during wildfire smoke events. Light hitting smoke or fog gets muddled, everything's scattered evenly, and you lose the vibrant blues––leaving warmer tones like red and orange. Under normal conditions, our sky appears blue because tiny air molecules scatter shorter wavelengths of light—like blue—more effectively than longer ones. But when wildfires fill the atmosphere with smoke, the story changes. Smoke particles are much larger than air molecules, so they scatter light differently. Instead of favouring short blue wavelengths, they scatter all wavelengths more evenly. However, they also filter out much of the blue and green light. What remains are the longer wavelengths––reds and oranges––that pass through more easily, giving the sky its eerie, fiery glow. It's even more dramatic at sunrise or sunset! The sun is low on the horizon, so the light has to pass through more of the Earth's atmosphere. When wildfire smoke is present, the filtering is even stronger, and you can get a deep red or even a blood-orange sky. It can also look apocalyptic, if the smoke is especially thick. The sun can appear dimmed or even blotted out, casting an eerie sepia or orange hue over everything. That is sometimes called a 'smoke eclipse." When wildfire smoke fills the sky, air quality drops. Try to stay indoors or wear a well-fitted and properly worn, respirator-type mask (such as a NIOSH-certified N95 or equivalent respirator) if you head outside. Also, use an air purifier to keep the air clean.
Yahoo
an hour ago
- Yahoo
World coming up short on promised marine sanctuaries
A global target of having 30 percent of the oceans become protected areas by 2030 is looking more fragile than ever, with little progress and the United States backing away, conservationists say. "With less than 10 percent of the ocean designated as MPAs (marine protected areas) and only 2.7 percent fully or highly protected, it is going to be difficult to reach the 30 percent target," said Lance Morgan, head of the Marine Conservation Institute in Seattle, Washington. The institute maps the MPAs for an online atlas, updating moves to meet the 30 percent goal that 196 countries signed onto in 2022, under the Kunling-Montreal Global Biodiversity Framework. The ambition is notably at risk because "we see countries like the US reversing course and abandoning decades of bipartisan efforts" to protect areas of the Pacific Ocean, Morgan said. That referred to an April executive order by President Donald Trump authorising industrial-scale fishing in big swathes of an MPA in that ocean. Currently, there are 16,516 declared MPAs in the world, covering just 8.4 percent of the oceans. But not all are created equal: some forbid all forms of fishing, while others place no roles, or almost none, on what activities are proscribed or permitted. "Only a third of them have levels of protection that would yield proper benefits" for fish, said Joachim Claudet, a socio-ecology marine researcher at France's CNRS. Daniel Pauly, a professor of fisheries science at Canada's University of British Columbia, said "the marine protected areas have not really been proposed for the protection of biodiversity" but "to increase fish catches". A proper MPA "exports fish to non-protected zones, and that should be the main reason that we create marine protected areas -- they are needed to have fish", he said. When fish populations are left to reproduce and grow in protected areas, there is often a spillover effect that sees fish stocks outside the zones also rise, as several scientific journals have noted, especially around a no-fishing MPA in Hawaiian waters that is the biggest in the world. One 2022 study in the Science journal showed a 54 percent in crease in yellowfin tuna around that Hawaiian MPA, an area now threatened by Trump's executive order, Pauly said. - Fishing bans - For such sanctuaries to work, there need to be fishing bans over all or at least some of their zones, Claudet said. But MPAs with such restrictions account for just 2.7 percent of the ocean's area, and are almost always in parts that are far from areas heavily impacted by human activities. In Europe, for instance, "90 percent of the marine protected areas are still exposed to bottom trawling," a spokesperson for the NGO Oceana, Alexandra Cousteau, said. "It's ecological nonsense." Pauly said that "bottom trawling in MPAs is like picking flowers with a bulldozer... they scrape the seabed". Oceana said French MPAs suffered intensive bottom trawling, 17,000 hours' worth in 2024, as did those in British waters, with 20,600 hours. The NGO is calling for a ban on the technique, which involves towing a heavy net along the sea floor, churning it up. A recent WWF report said that just two percent of European Union waters were covered by MPAs with management plans, even some with no protection measures included. The head of WWF's European office for the oceans, Jacob Armstrong, said that was insufficient to protect oceanic health. Governments need to back words with action, he said, or else these areas would be no more than symbolic markings on a map. aag/ico/cbn/rmb/dhw
Yahoo
an hour ago
- Yahoo
Archeologists uncover Midstate history
(WHTM) — There's plenty of history in the Midstate and a group of local advocational archeologists are working to uncover more. The Lower Susquehanna Archeological Society group has spent the last two weeks in Lancaster County digging and sifting through the dirt at the Blue Rock Heritage Center. 'We are wrapping up our spring excavation season,' said Paul Nevin, the groups President. 'We've been trying to establish the footprint of a farmhouse that was built in the mid-1800s and was demolished in the 1950s.' Nevin told abc27 News they are trying to help tell the story of the land. 'People have been on this land for thousands of years along the Susquehanna,' he said. 'And so, we find everything from an eight-thousand-year-old projectile point to, you know, sunglasses.' Rick Fisher, the archeological groups Vice President sifted through pounds of dirt Sunday. 'See if we could find any artifacts in native American plumbing or pottery,' Fisher explained. 'I get excited about, but I actually like to find the whole piece. But unfortunately, you know, it breaks like anybody breaks or drops dishes. Then it breaks and then they toss it out, you know? So, we know it's very rare that you'll find a full piece.' The archeological group believes they did find the foundation of the old farmhouse. 'We ran into a little bit of a surprise because we're trying to find a farmhouse that was oriented parallel to the river and the foundation that we found is turned a little bit to the side,' Nevin said. 'So right now, we're at the point where we're wondering whether this actually was an earlier structure, that the house was built over top of.' Nevin said people get involved in archeology because they are interested in history. Download the abc27 News+ app on your Roku, Amazon Fire TV Stick, and Apple TV devices 'Theres always the element that you're going to find some sort of treasure of some sort,' he said. 'And for us, really, the treasure that we find are just things that people leave behind.' Phase two of this project will begin in the summer and last possibly through the winter. Copyright 2025 Nexstar Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
