Alaska has been shedding large amounts of ice into the sea - on average, enough to fill a daily freight train around the world.
Arctic sea ice acts like a heat shield, reflecting most of the sun's energy. As the ice has melted back, it reflects less, and the planet is absorbing more heat.
NASA satellites have watched Arctic sea ice for three decades now, and the record shows more and more melting over time.
A demonstration of the process of carbon capture and sequestration for the proposed PurGen plant in Linden, NJ.
CO2 emissions from fossil fuel have been growing steadily in the US and are projected to continue growing until 2030 and beyond if no legislation is passed to reduce emissions.
The Copenhagen Diagnosis is a major climate change report released on November 24, 2009. Key findings in the report include that climate-related changes are happening faster than scientists expected only a few years ago and that the average scientific projection for sea level rise has increased sharply.
Wildfires in Washington State have increased significantly in recent years, a shift that appears linked to climate change.
Arctic sea ice acts like a heat shield, reflecting most of the sunÃ¢Â€Â™s energy. As the ice has melted back, it reflects less, and the planet is absorbing more heat.