The second issue of Food Security is now published, and is free online. It documents some of the multiple causes of food insecurity.
Helium can be found in underground deposits in the earth. Helium can also be found in stars and other planets. The helium underground - and extracted from natural-gas - is a by-product of the natural radioactive decay of uranium, though is far too stable to be radioactive itself. It also occurs in very small amounts in the atmosphere.
Helium is a by-product of natural gas found in several large fields around the world. The US is the largest producer of helium supplying 71% of the worldâs helium. The two most important sources of helium in the US are the Hugoton-Panhandle field complex, which is located in Texas, Oklahoma, and Kansas, and the ExxonMobilâs LaBarge field, which is located in the Riley Ridge area of southwestern Wyoming.