February 15, 2012

Although they are related, meteorology and climatology have important differences, particularly in how scientists develop and use weather and climate models. What makes climatologists think they can project climate scenarios decades into the future when meteorologists cannot accurately predict weather more than two weeks in advance? This presentation by Wayne Higgins of NOAA's Climate Prediction Center clarifies the relationships and differences between weather and climate, as well as the differences between natural climate variability and human-induced climate change.

January 20, 2012

This year’s Arctic Report Card emphasizes that climate change is more prominent in the Arctic than at lower latitudes.

June 3, 2011

For decades, the City of Boulder, Colorado, has been successfully managing its water supply despite the challenges of being located in a semi-arid climate. But a local water manager wonders if climate change will change the rules of the game...

April 15, 2010

Curiosity is a cruel master, says Dave Bertelsen. Over the past 25 years, he has hiked over 12,000 miles through a desert canyon, just to see what was blooming. He found a few surprises along the way.

Graph of TSI since the start of hte satellite era
August 24, 2021

The Sun's average brightness varies over time, and the changes can affect global surface temperature. But long-term changes over the period of human-caused global warming are minimal.

September 23, 2021

The latest IPCC report on the Physical Science Basis of climate change covers pretty much everything you can think of, including ENSO. So what were its conclusions? Our ENSO Bloggers walk us through the report's conclusions and what they mean.

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