As carbon emissions skyrocket and the ice cap shrinks, more is being spent on alternative fuels but the results aren't always as expected. With the power grid in dire need of expansion, wind power generators have had to cut production because the grid can't always handle the added electricity. A Gallup poll points to strong support for government investment in clean energy, but surveys have long shown that support for environmental measures varies when economic tradeoffs are factored in. For more, check out our issue guide and our climate change discussion starter.