April 22, 2008 - REJOICE, cry, or get motivated? After seven years of pretending global warming isn't a real issue, President Bush finally announced a national goal. Let us rejoice. The goal? "To stop the growth of US greenhouse gas emissions by 2025."It's enough to make you cry. Who are his advisers? Clearly not the leading American climatologists who would have told him that leveling emissions by 2025 misses by over a decade that first and most critical milestone to avoid catastrophic effects of climate change.
If we want to improve our chances of averting this century the extinction of 50 percent of the species or dramatic drops in grain yields or devastating sea level rises, we have to get worldwide CO2 emissions to start a real decline as fast as possible. Scientist Jim Hansen says that if we wait until 2018 to "stop the growth of greenhouse gas emissions" then we have close to no chance of avoiding catastrophic effects. Scientist John Holdren tells us that if we plateau in 2015, our chances of averting these catastrophic effects are down to 50 percent. More >>>
