There are about 2,000 dairy cows on Pete Olsen's fifth-generation farm in northern Nevada. A new milk processing plant is now putting pressure on Olsen and other dairy farmers to expand the size of their herds. But with the ongoing drought, farmers are struggling to get enough feed for the cows they already have. Kirk Siegler/NPR hide caption

itoggle caption Kirk Siegler/NPR

Japan's draft of a new energy proposal calls for opening nuclear power plants that were shut down after the nuclear disaster in 2011. Greg Webb/IAEA/AP hide caption

itoggle caption Greg Webb/IAEA/AP

This image was taken Jan. 30 by astronauts aboard the International Space Station. North Korea is the large dark patch in the middle. The only significant light is from its capital, Pyongyang. The next photo adds reference points. NASA.gov hide caption

itoggle caption NASA.gov

Thai soldiers check the site of a bomb explosion in Bangkok, Thailand, on Sunday. At least 22 people, including three children, were wounded in a bomb explosion near an anti-government protest site. Rachen Sageamsak/Xinhua/Landov hide caption

itoggle caption Rachen Sageamsak/Xinhua/Landov

A ceremony is held to mark a new patrol vessel in service for China's marine surveillance in Zhoushan, east China's Zhejiang Province, last month. Shen Lei/Xinhua/Landov hide caption

itoggle caption Shen Lei/Xinhua/Landov