The proposed Keystone XL pipeline that would bring oil from Canada's tar sands to the US Gulf Coast would have "no significant impact" on the environment, the United States said Friday.
Key gaps in information mean Canada has been unable to assess the impact of exploiting Alberta's oil sands, the nation's environment commissioner said Tuesday.
(Phys.org) —The presence of liquid water at and beneath frozen Alaskan sand dunes during Arctic winter suggests that liquid water could also be temporarily stable (or metastable) at frost-covered sand dunes on Mars.
NASA says the Opportunity rover has passed the marathon mark for driving on Mars.
Canada has threatened to lodge a World Trade Organization complaint against the European Union if the bloc labels oil from Alberta's tar sands as highly polluting, documents published Monday show.
US President Barack Obama blocked the construction of a controversial Keystone XL oil pipeline between Canada and the United States Friday following years of bitter and politically charged debate.
Canada revised its greenhouse gas emission data from 1990 to 2013 in a report Friday, showing it had higher carbon dioxide discharges each year, and a doubling of emissions from its oil sands.
The Feb. 27 letter from the chairman of the Colorado River Indian Tribes was pleading and tough. It asked President Barack Obama to slow the federal government's "frantic pursuit" of massive solar energy projects in the Mojave ...
A top Iranian environment official said on Monday Tehran and Baghdad will jointly pay $1.2 billion in a project to reduce the number of sand dunes in a bid to cut the number of sandstorms from Iraq.
Three Irish scientists have discovered how winds shape sand dunes on Mars by using image data from the HiRISE camera on the Mars Reconnaissance Orbiter and then comparing patterns with wind models that were tested on dunes ...