The human genetic blueprint has been drafted, offering both perils and opportunities for the environment. The Big Question: are we changing the Nature of Nature?
Earth Day 2000 -- which will celebrate the Day's 30th anniversary on April 22 -- promises to be the world's biggest environmental event ever. With celebrities like Leonardo DiCaprio on board, Earth Day events are expected to rile up 500 million people on all continents and in more than 160 nations. Will this Earth Day change history as its predecessors did?