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Greenhouse Gas

Clean-power plan will fight floods, fires, EPA tells Western governors

Clean-power plan will fight floods, fires, EPA tells Western governors

COLORADO SPRINGS, Colo. — The head of the Environmental Protection Agency promoted proposed clean-power-plant rules to Western governors Tuesday, framing the plan as a way to deal with destructive wildfires and floods that have ravaged the region in recent years.

June 11, 2014 12:00 amLoading…

Let us address CO2 targets, Arizona regulators ask

PHOENIX — The state’s top environmental officials asked legislators Tuesday to repeal the restrictions they placed on his agency just four years ago prohibiting it from regulating “greenhouse gases.”

June 11, 2014 12:00 amLoading…

Climate change hitting home, says White House report led by UA

The Southwest is heating faster than the rest of the country. Sea levels are rising. Oceans are acidifying. The North Atlantic’s hurricanes are intensifying. Piñon and lodgepole pines are dying.

May 07, 2014 12:00 amLoading…
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



AZ sees rise in greenhouse emissions

Population growth equals more greenhouse gas emissions. Economic decline sends emissions downward.

May 28, 2013 12:00 amLoading…

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