November 21, 2012

Greenhouse Gases Hit Record Highs in 2011

Matthew Knight, CNN


AP Photo

Concentrations of greenhouse gases in the Earth's atmosphere reached record highs in 2011, according to new data published by the World Meteorological Organization (WMO).

The WMO's annual Greenhouse Gas Bulletin, released Tuesday, reports that carbon dioxide rose to 390.9 parts per million (ppm), up two ppm on 2010 levels.

Read Full Article ››

TAGGED: Nitrous Oxide, Methane, Carbon Dioxide, Greenhouse Gas

RECOMMENDED ARTICLES

October 15, 2013
Dry Ice Bombs at LAX
Brian Howard, National Geographic
Although dry ice—frozen carbon dioxide—is often used to ship food products and to dazzle high school chemistry students, it can also be the basis for improvised explosive devices. A number of people have been injured with dry... more ››
October 25, 2013
Vid Flumina: A River of Methane on Titan
Gregory Mone, Discover
In 2004, when NASA’s Cassini spacecraft first began orbiting Saturn and studying its moon Titan, Brigham Young University planetary scientist Jani Radebaugh was puzzled. Radebaugh had expected to see evidence of liquid... more ››