1. ENERGY:
Gore calls for end of carbon-based electricity in 10 years

Former Vice President Al Gore challenged the nation yesterday to wean itself off "carbon-based" electricity in 10 years and fire all generators with wind, solar, nuclear and other power sources with low greenhouse gas emissions. The Nobel Prize winner touted a carbon dioxide tax as the "single most important policy change" the country could make to lower its carbon footprint. He said there was no time to wait for action, since recent submarine data indicate that ice caps are melting faster than expected. Go to story #1

2. ENDANGERED SPECIES:
As climate warms, scientists consider a new Noah's ark

Like many Southern California natives, the Quino checkerspot butterfly is being squeezed out of the real estate market. It once ranged from Ventura County, Calif., down to Baja California, Mexico. But now, threatened by climate change and hemmed in by development, the endangered butterfly's best hope may lie with a once-unthinkable solution: allowing humans to move the species to a new habitat in a cooler climate. Go to story #2