Times are changing. A two-hour lecture by a failed politician has attracted audiences across the globe to become one of the biggest grossing cinema documentaries yet seen. This alone is sufficient testament to the growing concern over the probable effects of climate change.
Melting glaciers, rising sea levels, droughts and floods, stronger hurricanes: these are the likely effects of climate change, and Al Gore, in his recent film An Inconvenient Truth, gives us a whirlwind tour through the worst of them. He describes it as “a nature hike through the Book of Revelations”.
Scientists have known of these probable effects of climate change for some time. What is new, and one of the main points of Mr Gore’s film, is the increasing sense of urgency among many climatologists. They are warning that, rather than cosily imagining that these effects would not be felt for several decades, we are beginning to see them already, and happening at a much faster pace than had been predicted.
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