Showing: 1-20 of 23

Earth Science

'Citizen scientists' use drones to map El Nino flooding

'Citizen scientists' use drones to map El Nino flooding

LONG BEACH, Calif. — Forget about selfies. In California, residents are using smartphones and drones to document the coastline’s changing face.

January 25, 2016 4:00 amLoading…
'Citizen scientists' use drones to map El Nino flooding

'Citizen scientists' use drones to map El Nino flooding

LONG BEACH, Calif. — Forget about selfies. In California, residents are using smartphones and drones to document the coastline’s changing face.

January 24, 2016 6:00 pmLoading…
'Citizen scientists' use drones to map El Nino flooding

'Citizen scientists' use drones to map El Nino flooding

In this Thursday, Jan. 21, 2016 photo, Trent Lukaczyk, an unmanned aerial vehicle (UAV) engineer who builds and flies drones to monitor changes in the ocean environment, controls a DJI Phantom 3 Advanced drone to take photos and videos over the coastline in Pacifica, Calif. Starting this mon…

January 24, 2016 10:21 amLoading…
'Citizen scientists' use drones to map El Nino flooding

'Citizen scientists' use drones to map El Nino flooding

LONG BEACH, Calif. — Forget about selfies. In California, residents are using smartphones and drones to document the coastline’s changing face.

January 24, 2016 10:21 amLoading…
Cloud seeding underway to get more water for the West

Cloud seeding underway to get more water for the West

DURANGO, Colo. (AP) — A researcher with the Colorado Water Conservation Board says cloud seeding in southwestern Colorado is helping to squeeze more water out of passing snowstorms, using heaters that vaporize silver iodide to form artificial ice.

January 23, 2016 2:28 pm Related Loading…
More quakes rattle Oklahoma, but state avoids tough measures

More quakes rattle Oklahoma, but state avoids tough measures

OKLAHOMA CITY — In Oklahoma, now the country’s earthquake capital, people are talking nervously about the big one as man-made quakes get stronger, more frequent and closer to major population centers. Next door in Kansas, they’re feeling on firmer ground though no one is ready yet to declare…

January 18, 2016 11:09 amLoading…
More quakes rattle Oklahoma but state avoids tough measures

More quakes rattle Oklahoma but state avoids tough measures

The remains of a collapsed chimney rest on the ground outside a home in Edmond, Okla., on Dec. 29, 2015, following an earthquake.

January 18, 2016 11:09 amLoading…
Study: Oceans absorb vast amounts of man-made heat

Study: Oceans absorb vast amounts of man-made heat

WASHINGTON — The amount of man-made heat energy absorbed by the seas has doubled since 1997, a study released Monday showed.

January 18, 2016 9:04 amLoading…
Study: Man-made heat put in oceans has doubled since 1997

Study: Man-made heat put in oceans has doubled since 1997

This image shows Pacific and Atlantic sections showing upper-ocean warming for the past six decades. Reds indicate a warming anomaly, blues a cooling anomaly.

January 18, 2016 9:04 amLoading…
Powerful replacement coming for big Wyoming climate computer

Powerful replacement coming for big Wyoming climate computer

CHEYENNE, Wyo. — One of the world's most powerful computers used for earth-science research, including studies involving climate change, is scheduled to be replaced by an even faster machine.

January 11, 2016 7:04 am Related Loading…

Idaho landscape could be safe haven for native fish

LEWISTON, Idaho — Idaho's vertical geography may give salmon, steelhead and other native fish a fighting chance as climate change continues to alter their habitat for the worse.

January 01, 2016 5:00 pm Related Loading…
Study: Rising lake temperatures may worsen algae blooms

Study: Rising lake temperatures may worsen algae blooms

TRAVERSE CITY, Mich. (AP) — Some of the world's biggest temperature jumps are happening in lakes — an ominous sign that suggests problems such as harmful algae blooms and low-oxygen zones hazardous to fish will get worse, says a newly released scientific report.

December 17, 2015 5:28 pm Related Loading…
China's efforts on climate deal partly due to its pollution

China's efforts on climate deal partly due to its pollution

A woman wears a mask as she rides across a road on a polluted day in Beijing on Sunday. China’s push for a global climate pact is partly because of its own pressing need to solve its environmental problems, observers say.

December 13, 2015 3:45 amLoading…
China's efforts on climate deal partly due to its pollution

China's efforts on climate deal partly due to its pollution

BEIJING — China’s push for a global climate pact was due in part to its own increasingly pressing need to solve serious environmental problems, observers said Sunday.

December 13, 2015 3:45 amLoading…
Historic pact to slow global warming is celebrated in Paris

Historic pact to slow global warming is celebrated in Paris

Thousands of protesters demonstrated in Paris on Saturday, saying the newly adopted accord was too weak to save the planet.

December 12, 2015 2:33 pmLoading…
Historic pact to slow global warming is celebrated in Paris

Historic pact to slow global warming is celebrated in Paris

Activists were plentiful at the U.N. conference, where nearly 200 nations approved a global pact to fight climate change.

December 12, 2015 2:33 pmLoading…
Scientists enlist the big gun to get climate action: Faith

Scientists enlist the big gun to get climate action: Faith

In this photo dated Saturday, Dec 5, 2015, and provided by Taize, brother Alois, addresses people at an interfaith service for world leaders to curb global warming during a multi-lingual service at Church St Ignatius in Paris, France. The cold hard numbers of science haven't spurred the worl…

December 06, 2015 2:17 pmLoading…

AP Poll: Ecology, religion a natural mix for some Americans

WASHINGTON — As a group, the most religious Americans are less likely than others in the U.S. to trust the science of global warming. Yet one group of faithful Americans not only believes the threat is real, but also feels obliged to help save Earth’s climate, an analysis by the Associated P…

December 06, 2015 3:42 amLoading…

Boats sit idle as algae threatens Dungeness crab season

San Francisco's Fisherman's Wharf typically bustles this time of year as workers prepare to haul millions of pounds of Dungeness crab that are a tradition at Thanksgiving and other holiday meals.

November 13, 2015 6:00 pmLoading…

Geologist: Earthquakes linked to saltwater injection

TOPEKA, Kan. — The Kansas Geological Survey believes an increase in earthquakes in two southern Kansas counties is linked to saltwater injection after oil and natural gas drilling, according to an agency scientist.

August 22, 2015 8:44 amLoading…

Follow the Arizona Daily Star

Featured businesses

View more...

Vote! Today's Poll

Loading…

With the pool of presidential candidates narrowing, which front-runner do you support?

View Results
View more...

Deals, Offers and Events

Tucson.com newsletters

Sign up for Tucson.com e-mail newsletters

Weekly update of food and restaurant news.

Sports news and blog headlines, delivered nightly.

Midmorning update of local business headlines, daily.

Tucson-area obituaries, daily.

Receive the current day's weather forecast in your email!