Two articles taken from the news page of Caseyresearch.com. The first, "Lower grade uranium could hasten climate change pace", outlines studies which claim an eventual shift to lower grade uranium will void nuclear power's promise of reducing carbon dioxide emissions.
The second article is anchored firmly in the present, and highlights the resurgent boom in Uranium shares, due in large part to the renewed promise of nuclear's potential as low-emission energy source.
The current upsurge is also being driven by a string of merger and buyout deals among Uranium explorers and producers. See the full article here.