Novel sampling method reveals oil sand mining is not polluting Athabasca Delta
A new study into the pre-industrial baseline levels of heavy metals in sediment carried by the Athabasca River shows that emissions from the Alberta oil sands and other human activities have not yet increased ...
West Coast valley rises as glaciers retreat
Massey University scientists say the dramatic changes to the Fox Glacier are also having dramatic effects on the landscape, with the valley rising by more than a metre in the last two years.
Where did the missing oil go? New study says some is sitting on the Gulf floor
After 200 million gallons of crude oil spilled into the Gulf of Mexico in April 2010, the government and BP cleanup crews mysteriously had trouble locating all of it.
Long dry spell doomed Mexican city 1,000 years ago
Archaeologists continue to debate the reasons for the collapse of many Central American cities and states, from Teotihuacan in Mexico to the Yucatan Maya, and climate change is considered one of the major ...
Salvaging the ecosystem after salvage logging
After a forest fire burns a large swath across timberlands, logging companies often are not far behind. They come in to do what is called salvage logging—salvaging the timber that has not been completely ...