Blog 118. Can Arctic Ice Cool Your Cocktail?

How come the scientific news seems flooded (as it were) by the melting of arctic ice?  After all, is the arctic really melting?  Should we believe all of the alarm over a little cold water?  Let’s look at the data. Continue reading

Blog 112. A frosty morning for the New Year

Here’s a photo of a frosty holiday morning in California.  The frost illustrates the physics that determines the global climate.  And climate is but one of the current worries of scientific associations, who worry about a frosty government. Continue reading

Blog 110. Climate in one picture

The present temperature is not the key index to predicting the future climate any more than the current temperature in a cold room tells how warm it will be if you add insulation to the walls.  It’s knowing the insulation that’s important for prediction. Below is a drawing that explains earth’s energy budget—as affected by the insulation of the atmosphere— in one glance. Continue reading

Blog 88. Will nations ever come together?

The question looms like a cloud over United Nations negotiations in Paris this month—the 21st such attempt to forge an international agreement to curb greenhouse gas emissions.  A big reason for failing to find common ground is American intransigence on the role of government.”  Continue reading

Blog 85. Should scientists become advocates?

Scientists are committed to tell the truth, as best they can from the measurements they make in the physical world.  But you can’t apply a scientific statement, however true, to just any situation.  Continue reading