Why Is Antarctic Sea Ice Growing?

Posted: March 4, 2015

Antarctic sea ice areal extent is indeed growing.  Does that mean Antarctica is cooling? Nope. In what feels like a counter-intuitive statement, the ice is in fact growing because the glaciers are melting. That probably needs some explanation. Land glaciers in Western Antarctica are melting , and melt is accelerating in parts of the Western Antarctic Ice Sheet. Glaciers are […]

Temperature and Trust

Posted: February 19, 2015

A fundamental piece of evidence for a warming climate is the long term temperature trend. Particularly important is the trend in the past 100 years. Since the 1970s the temperature trend has shown a jagged but consistent increase. But can we trust the data? The short answer is yes. But a longer answer is needed […]

Oil Price and Ricochets

Posted: February 10, 2015

You’ve noticed that the price of oil is low.  It bounced back a little from it’s January 29 low of  $44/barrel for West Texas Intermediate, but is still well below its flirtation with $100 oil. One of the reasons for the increased supply of crude, and hence the price drop, is increased supply from U.S. […]

What’s Happening with the Big Dogs?


The four “big dogs” of greenhouse gas emissions are China, the US, the EU and India, which together account for more than half of global emissions.  The EU is the leader in the climate battle, with the others trailing behind. On the negative side, China is out-doing everyone in both total emissions and overall emissions […]

Let’s Talk

Posted: November 20, 2014

Putting a price on carbon will eventually reduce demand and make alternatives more attractive. Innovation – something the U.S. worker is exceptionally good at – will grow. Money will be made. But what is the “right” way to have a price on carbon? Many versions are already being tried. What is the right answer? Let’s […]