Global greenhouse gas emissions are higher than ever. What’s to be done?

U.S. Representative Lamar Smith’s strutting his science cred.

Did concentrations of carbon dioxide (CO2) exceed 400 parts per million at Mauna Loa?

Fighting fire with fire or fire and brimstone? Members of Congress on the Bible and climate change.

Some notable quotes from the House Subcommittee on Environment…

Is last week's hearing on climate the start of a thaw?

As many of you know, I testified on Capitol Hill yesterday.

Herculean effort by scientific community yields new insight on long-term climate trends.

Two news items surrounding greenhouse gas emissions moved over the past week. One on the trajectory of said emissions from government number-crunching. The other on what the proposed Keystone pipeline might mean for emissions.

A debate brews on the role of climate change in the record-breaking drought of 2012.