Rare Earth Elements and Thorium Power.

22 Mar, 2011 04:08 pm Thorium is present in the ores of rare earth elements rendering the processing-waste radioactive. Rather than burying it underground in concrete thorium...

Endangered Elements: Threat to Green Energy.

8 Feb, 2011 11:00 am Demand for rare earth elements (REEs) is projected to exceed current supply, 97% of which comes from China. Since neodymium and dysprosium are needed for...

Google, Jane Goodall, forests and the cloud

28 Dec, 2009 10:59 am Not long ago, the only people who could access and analyze satellite images of the earth were government officials, the military,...

Unexpected perspectives

30 Jul, 2008 09:46 pm The EPOXI mission of NASA?s Deep Impact spacecraft took pictures of Earth late in May 2008 from 31 million miles away, with the goal of examining Earth...

20 Years After, James Hansen addresses the Congress

25 Jun, 2008 04:47 pm Climatologist James Hansen testimony in front of a parliamentary committee of the US Congress 20 years after his first speech.

Digging Diesel

9 Apr, 2008 02:01 pm Coal may appear as a vast and alternative carbon-resource in the face of escalating conventional crude oil prices, but implementing the technology to make...

Swiss Geothermal Energy Project Causes earthquakes.

12 Sep, 2007 12:16 pm The Swiss Deep Heat Mining Project, located near Basel and which involves injecting water under pressure in quantity into three mile deep boreholes,...

Carbon Dioxide Levels Controlled By Degassing and Chemical Weathering Over Time

26 Dec, 2006 05:08 pm Carbon dioxide is a potent greenhouse gas and its concentration in our atmosphere is naturally controlled over geologically long (millions of years) timescales...

?It?s just the excitement of the quest to not only find a planet that would be truly attractive and habitable, but one that has life?

26 Jul, 2006 04:07 pm Webster Cash recently reported a new method to detect Earth-like planets around nearby stars using a space Telescope associated with a special shape occulter...