Global Warning

The latest studies on the planet's health show a world in pain

In a week when cable screens were split among solemn ceremonies, falling governments, the first serious congressional debate over a war now in its fourth year and an economy with a nervous twitch, it was even harder than usual to catch the sirens in the distance--to hear the sounds of ice melting, species vanishing and cities choking the people who live in them. You can't really cover a story that hasn't happened yet, but sometimes the news about the future is the biggest story of all.

This was a week for warnings. U.S. government scientists announced that the Arctic ice cap...

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