Issue Date: Jun 15, 2008 The concentration of CO2 in the
atmosphere is at its highest since the past 650,000 years, says
the US National Oceanic and Atmospheric Administration. Between
1979 and 2007, the level of CO2, the primary driver of climate
change, increased at an average rate of 1.65 parts per million.
The growth rate of methane, however, declined since 1992 due to
change in emissions. Over the past 29 years, nitrous oxide
emissions continue to increase steadily, while the chloro fluoro
carbons (CFCs) have reached a plateau since 1992. Recent Supreme
Court order in Vedanta case holds hope for tribal community life
Butterflies on the roof of the world is a vivid and engaging
narrative of the author's rendezvous with the butterflies and
moths in particular, and nature in general