Nations seek to integrate climate change tracking mechanisms Government officials and scientists from more that 30 countries have called for the speedy development of an integrated method to observe climate change and other environmental trends on Earth. Participants at the so-called "Earth Observation Summit" held at the US State Department in Washington, have pledged to move ahead with an "international, comprehensive, coordinated and sustained" monitoring mechanism within 10 years' time. "We, the participants, call for and intend to participate in a comprehensive, coordinated Earth observation system that is used for the benefit of humankind and thereby contributes to sustaining the...