President Obama told world leaders at the Climate Summit that “no nation can meet this global threat alone.”
UN climate-change summit sees some consensus but reveals sharp differences, too.
Corporations, insurance companies and pension funds lobby world leaders on climate change.
A warming planet means less ice coverage of the Arctic Sea, leaving the bears with less time and less ice for hunting seals.
Researchers are trying to mimic the growing conditions expected to arise decades in the future.
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)
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 …
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.
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.
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.
Starting your garden with starter plants? Buying local may increase success.
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.
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.
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.
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.
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.
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.
Richard Brusca says he has always emphasized that the Sonoran Desert is much more than the cacti and creosote of the Tucson Basin.
Monsoon's rainy first month brought rain, lightning and cooler temps, but severe-to-extreme drought remains a concern in 94 percent of Arizona.
According to an updated three-month forecast from the National Weather Service's Climate Prediction Center, Tucson's chances for rain are looking up.