KING-TVEnvironment3 months, 21 dead gray whales: Why so many carcasses are washing up on Pacific shores
Jeff Gritchen / The Orange County Register via APU.S. newsSouthern California crews prepare for possible toxic tank explosion
Evan Bush / NBC NewsWestern WildfiresLos Angeles-area wildfires left lead in soil, but how much and where remains contentious
Matias Delacroix / AP fileHurricanesAtlantic hurricane season forecast to be milder than normal thanks to El Niño
Apu Gomes / AFP via Getty ImagesCalifornia WildfiresThousands ordered to evacuate as Southern California wildfire threatens homes
Nicole Tung for Fondation CarmignacAsiaPhoto essay: Southeast Asia's overfishing crisis — and the effort to uncover its roots
Tammy Ljungblad / ZUMA Press Wire via ReutersTornadoes'We are missing data': NWS weather balloon changes scrutinized as tornados hit Midwest
Michael Ciaglo / Getty ImagesHeatAs Western heat wave ends, scientists try to make sense of its length and intensity
Emilio Morenatti / AP fileClimate changeArctic sea ice hits lowest winter level as unprecedented heat smashes records all over Earth
Courtesy Utah Olympic Legacy FoundationEnvironmentSaving the snow for next year: Ski resorts try 'snow farming' as temperatures rise
Charles Krupa / AP fileClimate in CrisisConstruction finishes on major offshore wind farm after government tried to halt project
Eric Thayer / Los Angeles Times via Getty ImagesEnvironmentDeath Valley sees its most spectacular superbloom in a decade
Annika Hammerschlag / APClimate in CrisisThe sea is higher than we thought, and millions more are at risk, study finds
Mario Tama / Getty ImagesScience NewsWith time running out, snow drought and warm weather raise wildfire risk in the West
Tim Speer / Getty Images fileImmigrationTexas' Big Bend braces for border wall in national park, worrying local Republicans and Democrats
Jon Cherry / Getty Images fileEnvironmentTrump administration eases limits on coal plant emissions of mercury and other toxins
Andrew Caballero-Reynolds / AFP - Getty ImagesDonald TrumpPotomac sewage spills onto the national stage with political finger-pointing
Chip Somodevilla / Getty ImagesU.S. newsE-coli levels surge after 240 million gallons of sewage pour into Potomac River
Evan Vucci / AP fileTrump administrationPublic health and green groups sue EPA over repeal of greenhouse gases rule
Mandel Ngan / AFP - Getty ImagesTrump administrationTrump says federal government to step in to protect Potomac River after sewage leak
Brontë Wittpenn / San Francisco Chronicle via Getty ImagesWinter weather11 million under flood watch as storms bring heavy rain and snow to California