Latest Environmental science News

FILE - In this Sept. 9, 2020, file photo, the San Francisco skyline in the distance behind Crissy Field is barely visible due to smoke from wildfires burning across California. Researchers say smoke from wildfires accounted for up to half of all small particle air pollution in parts of the western U.S. in recent years (AP Photo/Eric Risberg, File)

Study: Wildfires produced up to half of pollution in US West

Jan. 11, 2021 7:53 PM EST

BILLINGS, Mont. (AP) — Wildfire smoke accounted for up to half of all health-damaging small particle air pollution in the western U.S. in recent years as warming temperatures fueled more destructive blazes, according to a study released Monday. Even as pollution emissions declined from other sources...

FILE - In this Thursday, July 12, 2018 file photo, an algae bloom appears on the Caloosahatchee River at the W.P. Franklin Lock and Dam in Alva, Fla. A study released on Wednesday, Jan. 6, 2021, shows America’s rivers are changing color, mostly because of what people are doing. (AP Photo/Lynne Sladky)

One-third of America's rivers have changed color since 1984

Jan. 7, 2021 1:19 PM EST

America’s rivers are changing color — and people are behind many of the shifts, a new study said. One-third of the tens of thousands of mile-long (two kilometer-long) river segments in the United States have noticeably shifted color in satellite images since 1984. That includes 11,629 miles (18,715...

In this Tuesday, Dec. 29, 2020, photo provided by Johns Hopkins Center for American Indian Health, registered nurse Starla Garcia prepares a coronavirus vaccine in Chinle, Ariz., for someone who enrolled in the COVID-19 vaccine trials on the Navajo Nation and initially received a placebo. (Nina Mayer Ritchie/Johns Hopkins Center for American Indian Health via AP)

Fast rollout of virus vaccine trials reveals tribal distrust

Jan. 4, 2021 7:13 PM EST

FLAGSTAFF, Ariz. (AP) — The news came during a hopeful time on the largest Native American reservation. Daily coronavirus cases were in the single digits, down from a springtime peak of 238 that made the Navajo Nation a U.S. hot spot. The tribe, wanting to ensure a COVID-19 vaccine would be effective for...

FILE - In this June 2, 2019, file photo, a fresh monarch butterfly rests on a Swedish Ivy plant soon after emerging in Washington. Trump administration officials are expected to say this week whether the monarch butterfly, a colorful and familiar backyard visitor now caught in a global extinction crisis, should receive federal designation as a threatened species. (AP Photo/Carolyn Kaster, File)

Feds to delay seeking legal protection for monarch butterfly

Dec. 15, 2020 3:19 PM EST

TRAVERSE CITY, Mich. (AP) — Federal officials on Tuesday declared the monarch butterfly “a candidate” for threatened or endangered status, but said no action would be taken for several years because of the many other species awaiting that designation. Environmentalists said delaying that long...

A researcher for Brazil's state-run Fiocruz Institute takes an oral swab sample from a bat captured in the Atlantic Forest, at Pedra Branca state park, near Rio de Janeiro, Tuesday, Nov. 17, 2020. Teams of researchers around the globe are racing to study the places and species from which the next pandemic may emerge. It's no coincidence that many scientists are focusing attention on the world's only flying mammals — bats. (AP Photo/Silvia Izquierdo)

Scientists focus on bats for clues to prevent next pandemic

Dec. 14, 2020 12:21 PM EST

RIO DE JANEIRO (AP) — Night began to fall in Rio de Janeiro’s Pedra Branca state park as four Brazilian scientists switched on their flashlights to traipse along a narrow trail of mud through dense rainforest. The researchers were on a mission: capture bats and help prevent the next global pandemic....

FILE - In this June 2, 2019, file photo, a fresh monarch butterfly rests on a Swedish Ivy plant soon after emerging in Washington. Trump administration officials are expected to say this week whether the monarch butterfly, a colorful and familiar backyard visitor now caught in a global extinction crisis, should receive federal designation as a threatened species. (AP Photo/Carolyn Kaster, File)

Endangered-species decision expected on beloved butterfly

Dec. 14, 2020 12:31 AM EST

Trump administration officials are expected to say this week whether the monarch butterfly, a colorful and familiar backyard visitor now caught in a global extinction crisis, should receive federal designation as a threatened species. Stepped-up use of farm herbicides, climate change and destruction of milkweed...

FILE - In this Aug. 21, 2020, file photo, firefighters watch flames from the LNU Lightning Complex fires approach a home in the Berryessa Estates neighborhood of unincorporated Napa County, Calif. The blaze, the fifth largest in California history, forced thousands to flee and destroyed more than 1,000 homes and other structures. This year has seen record Atlantic hurricanes and western wildfires, devastating floods in Asia and Africa and a hot, melting Arctic. It's not just been a disastrous year, but a year of disasters. (AP Photo/Noah Berger, File)

The stormy, fiery year when climate disasters wouldn't stop

Dec. 10, 2020 12:16 PM EST

Nature struck relentlessly in 2020 with record-breaking and deadly weather- and climate-related disasters. With the most named storms in the Atlantic, the largest-ever area of California burned by wildfires, killer floods in Asia and Africa and a hot, melting Arctic, 2020 was more than a disastrous year with the...

FILE - In this July 24, 2017 file photo, an iceberg floats past Bylot Island in the Canadian Arctic Archipelago. The National Oceanic and Atmospheric Administration’s annual Arctic Report Card, released on Tuesday, Dec. 8, 2020, shows how warming temperatures in the Arctic are transforming the region's geography and ecosystems. (AP Photo/David Goldman, File)

Vast wildfires in Siberia linked to warming Arctic

Dec. 8, 2020 1:44 PM EST

WASHINGTON (AP) — This year's vast wildfires in far northeastern Russia were linked to broader changes in a warming Arctic, according to a report Tuesday by the National Oceanic and Atmospheric Administration. Wildfires are a natural part of many boreal ecosystems. But the extent of flames during the 2020...

FILE - In this Tuesday, Dec. 17, 2013 file photo, visitors take photographs of the world heritage site of Stonehenge, in Wiltshire England. The prehistoric monument of Stonehenge in southern England was closed to visitors Saturday, Dec. 5, 2020, in the afternoon after protesters staged a “mass trespass” against the British government’s road-building plans, which includes a new tunnel near the World Heritage Site. The protesters, who described themselves as an alliance of local residents, ecologists, activists, archaeologists and pagans, gathered at Stonehenge around midday.  (AP Photo/Alastair Grant, File)

Protesters against tunnel close UK's prehistoric Stonehenge

Dec. 5, 2020 1:58 PM EST

LONDON (AP) — The prehistoric monument of Stonehenge in southern England was closed to visitors Saturday after dozens of protesters staged a trespass against the British government's road-building plans, including a new tunnel near the World Heritage Site. The protesters, who described themselves as an...

A firefighter battles a mulch and pallet fire burning out of control, fanned by Santa Ana winds in and around a recycling yard near Wilson Street and Fleetwood Drive in Riverside, Calif., Thursday, Dec. 3, 2020. Firefighters from both Riverside and San Bernardino County, along with assistance from Colton, Rialto and Riverside City Fire fought the blaze. (Will Lester/The Orange County Register via AP)

California fire danger remains high even as winds ease

Dec. 4, 2020 10:44 PM EST

LOS ANGELES (AP) — Fire danger remained high Friday amid unpredictable wind gusts and dry conditions in Southern California, as crews made progress against blazes that burned several homes and injured two firefighters. The region's notorious Santa Ana winds decreased slightly but red flag warnings of...