Science NYC's Subway Flooding Isn't A Fluke. It's The Reality For Cities In A Warming World Underground trains are incredibly susceptible to flooding from climate-driven extreme rain and sea level rise. Cities around the world are racing to adapt their transit systems. Rebecca Hersher
World U.S. Envoy Kerry Says China Is Crucial To Handling The Climate Crisis China is the world's largest carbon emitter, after the U.S., producing an estimated 27% of global greenhouse gases. Kerry is in the country for talks on stronger efforts to curb rising temperatures. The Associated Press
Climate California Fire Approaches Lake Tahoe After Mass Evacuation The popular vacation haven normally filled with tens of thousands of summer tourists emptied out Monday as the massive Caldor Fire rapidly expanded. The Associated Press
Science How Climate Change Is Fueling Hurricanes Like Ida Hurricane Ida rapidly gained strength right before it hit Louisiana this weekend. Abnormally hot water in the Gulf of Mexico acted as fuel for the storm. Rebecca Hersher
Environment Greenhouse Gas Levels Are The Highest Ever Seen — And That's Going Back 800,000 Years Scientists said the concentration of carbon dioxide, which contributes to climate change, is the highest in data going back 800,000 years, based on ice core records. Deepa Shivaram
'Gray skies and that dull orange orb in the sky': The view from NW fire lines Thousands of firefighters are on the ground in our region, trying to control wildfires that have already consumed hundreds of thousands of acres. Katie Campbell Angela King
Environment Nation's first hydrogen-powered ferry launches in Bellingham A hydrogen-powered ferry, the first of its kind in the United States, has launched in Bellingham. John Ryan
Science The Floods In Tennessee Aren't Freak Accidents. They're A New Reality At least 21 people died in floods in Tennessee over the weekend. Such dangerous flash flooding is a hallmark of climate change. Rebecca Hersher
Environment Rain Fell On The Peak Of Greenland's Ice Sheet For The First Time In Recorded History According to scientists, rain fell for several hours on an area 10,551 feet in elevation on Aug. 14, an unprecedented occurrence for a location that rarely sees temperatures above freezing. Joe Hernandez
Environment Your garden might be a fire hazard If you think you're safe from wildfires because you live in the city, think again. Those pine trees and juniper bushes outside your front door could be putting you in danger. Paige Browning Brandi Fullwood Kristin Leong