Colorful study probes climate change, fall foliage

Could climate change dull the blazing palette of New England's fall foliage? The answer could have serious implications for one of the region's signature attractions, which draws thousands of "leaf peepers" every autumn.

Feds warn climate change could harm giant sequoias

Federal researchers are warning that warming temperatures could soon cause California's giant sequoia trees to die off more quickly unless forest managers plan with an eye toward climate change and the impact of a longer, harsher wildfire season.

Energy secretary pick argues for new fuel sources

Steven Chu, the Nobel Prize-winning physicist who is President-elect Barack Obama's choice for energy secretary, has been a vocal advocate for more research into alternative energy, arguing that a shift away from fossil fuels is essential to combat global warming.

Rock Reunites Antarctica and North America (LiveScience.com)

LiveScience.com - A solitary chunk of granite, small enough to heft in one hand, is key evidence that Australia and parts of Antarctica were once attached to North America, a new study suggests. The Earth's continents are thought to have collided to become supercontinents and broken apart again several times in Earth's 4.5 billion year history. The most recent supercontinent was Pangaea, which began to break apart about 200 million years ago; the landmasses that comprised Pangaea eventually wandered into the current configuration of continents. ...

G8 Declaration on Environment and Climate Change

Climate Change: 22. We reconfirm the significance of the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) as providing the most comprehensive assessment of the science and encourage the continuation of the science-based approach that should guide our climate protection efforts. We reaffirm our commitment to take strong leadership in combating climate change and in this respect, welcome decisions taken in Bali as the foundation for reaching a global agreement in the United Nations Framework Convention on Climate Change (UNFCCC) process by 2009. We are committed to its successful conclusion. Enhanced commitments or actions by all major economies are essential for tackling climate change. Therefore, we endorse the positive contribution of the Major Economies Leaders Meeting to the UNFCCC.

Presenting science questions to John McCain and Barack Obama

A project called Science Debate 2008 asked the major party presidential nominees about the state of American science. Here are some of the candidates' answers. Science Debate 2008 -- an effort spearheaded by half a dozen voters concerned about the state of American science -- posed 14 questions to the major parties' presidential candidates, Democrat Barack Obama and Republican John McCain.