Readers respond to recent People stories.
Global warning Species from birds to butterflies are doing strange things, and a new report blames the behavior on the Earth's rising temperature. Overwhelming evidence of global warming Experts hope a startling new report will be enough to persuade President Bush to take action. A report from the globe's ecological future. Not environmentalists After eight dispiriting years of Clinton-Gore, frustrated green groups are targeting corporations instead. But the loophole-studded agreement may not be nearly enough to rescue the planet.