'Cold War era tools help track climate change today'

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Washington : Tracking the impact of climate change today has been made possible by tools developed by nuclear scientists to detect radioactivity in the wake of testing of atomic bombs during the Cold War era, says a leading historian.

Their insights and research have contributed enormously to enhancing knowledge about both carbon dioxide, which warms the earth and aerosols, which cool it. Otherwise, scientists today would have been in the dark about atmospheric changes, says historian Paul Edwards from University of Michigan, US....

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