In the run-up to the 10th anniversary of the world's worst nuclear accident at Chernobyl, this study looks at the threats to our environment, and the silence and secrecy which surrounds much of the debate on the subject. It includes a 40-page feature on environmental degradation, from global problems of ozone depletion, to localized environmental tragedies caused by dam-building, overgrazing, mining or drilling. The text also includes the issues of...