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Climate

Obama urges world to follow US lead on climate

Obama urges world to follow US lead on climate

President Obama told world leaders at the Climate Summit that “no nation can meet this global threat alone.”

5 hours agoLoading…
Obama urges world to follow US lead on climate

Obama urges world to follow US lead on climate

UN climate-change summit sees some consensus but reveals sharp differences, too.

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Businesses and investors pressing for green policy

Businesses and investors pressing for green policy

Corporations, insurance companies and pension funds lobby world leaders on climate change.

19 hours ago Photos

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For Polar Bears, a climate change twist

For Polar Bears, a climate change twist

A warming planet means less ice coverage of the Arctic Sea, leaving the bears with less time and less ice for hunting seals.

September 22, 2014 6:00 pmLoading…
Testing future conditions for the food chain

Testing future conditions for the food chain

Researchers are trying to mimic the growing conditions expected to arise decades in the future.

September 22, 2014 6:00 pmLoading…
Protesters stage Wall Street climate crisis sit-in

Protesters stage Wall Street climate crisis sit-in

Demonstrators march towards Wall Street from Battery Park to protest for action on climate change and corporate greed, Monday, Sept. 22, 2014, a day after a huge climate march in New York City. (AP Photo/John Minchillo)

September 22, 2014 4:52 pmLoading…
Protesters stage climate crisis sit-in on Wall Street

Protesters stage climate crisis sit-in on Wall Street

John Minchillo / The Associated PressProtesters and police wrestle Monday near a barricade on the corner of Wall Street and Broadway during a protest demanding action on climate change and corporate greed. Organizers said the FloodWallStreet sit-in aimed to disrupt business in the financial …

September 22, 2014 4:52 pmLoading…
Businesses and investors pressing for green policy

Businesses and investors pressing for green policy

Hundreds of corporations, insurance companies and pension funds are calling on world leaders gathering for a U.N. summit on climate change this week to attack the problem of pollution by making it more costly for everyday violators.

September 22, 2014 1:48 pmLoading…
Scientists report global rise in greenhouse gas emissions

Scientists report global rise in greenhouse gas emissions

Global emissions of greenhouse gases jumped 2.3 percent in 2013 to record levels, scientists reported Sunday, in the latest indication that the world remains far off track in its efforts to control global warming.

September 21, 2014 6:00 pmLoading…
China, US, India push world carbon emissions up

China, US, India push world carbon emissions up

WASHINGTON — Spurred chiefly by China, the United States and India, the world spewed far more carbon pollution into the air last year than ever before, scientists announced Sunday as world leaders gather to discuss how to reduce heat-trapping gases.

September 21, 2014 9:54 am Photos

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Starter plants best if started here

Starting your garden with starter plants? Buying local may increase success.

September 13, 2014 4:00 pmLoading…

Ring's Reflections: The 'Five C's' impact on today's Arizona economy

In the final installment in this series, we’ve arrived at the question of how much the historic bedrocks of our economy, Arizona’s traditional Five C’s affect the current state economy.

May 08, 2014 12:00 amLoading…
Report: Southwest faces increased threat from drought, wildfires and heat

Report: Southwest faces increased threat from drought, wildfires and heat

Temperatures in the Southwest are rising faster compared to those of the U.S. as a whole, a new White House report ion climate shows.

May 06, 2014 10:02 am Related Loading…
Ring's Reflections: Climate spawned tourism industry in Arizona

Ring's Reflections: Climate spawned tourism industry in Arizona

Climate has been a critical resource since Arizona’s beginning. Our sunny, warm, dry weather provided the foundation for successful cattle ranching as well as the cotton and citrus industries.

May 01, 2014 12:00 amLoading…
Ring's Reflections: Five C's are integral to Arizona's history

Ring's Reflections: Five C's are integral to Arizona's history

Do you know Arizona’s traditional five C’s? I’m talking about the most important elements of Arizona’s economy during the state’s development from a U.S. territory through statehood and well into the 20th century.

March 27, 2014 12:00 am Photos

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A dubious achievement for humanity

A dubious achievement for humanity

Earlier this year, scientists at the NOAA Mauna Loa Observatory in Hawaii announced a major threshold in the Earth system had been crossed: the concentration of the greenhouse gas carbon dioxide in Earth’s atmosphere has now passed a level not seen in the last 3 million years.

September 29, 2013 12:00 am Photos

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Oceans absorbing more global heat, UA researcher says

Much of the heat that was supposed to fire up the globe’s air in the past 15 years — but didn’t — has gone into the ocean, a University of Arizona oceanographer said Friday.

September 28, 2013 12:00 amLoading…

Take tour, see a side of desert you may not know

Richard Brusca says he has always emphasized that the Sonoran Desert is much more than the cacti and creosote of the Tucson Basin.

August 11, 2013 12:00 am Related Loading…
Tucson monsoon: Despite rain, drought persists

Tucson monsoon: Despite rain, drought persists

Monsoon's rainy first month brought rain, lightning and cooler temps, but severe-to-extreme drought remains a concern in 94 percent of Arizona.

July 25, 2012 3:00 pmLoading…
Tucson monsoon: Rain chances now at 'above' normal

Tucson monsoon: Rain chances now at 'above' normal

According to an updated three-month forecast from the National Weather Service's Climate Prediction Center, Tucson's chances for rain are looking up.

June 23, 2012 12:00 pm Related Loading…

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