Time magazine says that Matthew Scully, the man behind Palin's speech, refrains from eating meat.
Melting glaciers, drier wetlands, warmer winters in Alaska, where global warming is felt most keenly.
Expecting a more aggressive approach, they offer advice to the McCain and Obama campaigns.
The German research effort is one of the first to attempt 10-year climate forecasts.
Methane levels in the atmosphere rose in 2007 after 10 years. Scientists are trying to find out why.