As world demand for staples like wheat, rice, corn, and soy outpaces dwindling growth in agricultural production, food prices are rising and more people are hungry. Now experts are saying that climate change is playing a bigger role than they once expected.

"A climate change scientist who has been targeted by death threats says the science community must still continue to release the latest research."

"Some areas in the tropics face famine because of failing food production, an international research group says."

"The operator of the stricken Japanese nuclear power plant said on Friday that more radioactive water could begin spilling into the sea later this month if there is a glitch in setting up a new decontamination system."

"Earthquake-hit Japan and many other rich nations are reaffirming pledges to give $30 billion from 2010-12 to help poor nations fight climate change despite budget cuts, a Reuters survey showed on Wednesday."

"The bacterium that has killed more than a dozen Europeans, sickened nearly 2,000 more and raised international alarms would be legal if it were found on meat or poultry in the United States."

"Danish navy commandos have ended the occupation of an Arctic drilling rig by Greenpeace by breaking into the protesters' survival pod hanging off the drilling platform."

"Colorado State University forecasters predicted the Atlantic hurricane season that began on Wednesday would be a busy one with 16 tropical storms and nine of those growing into hurricanes."

"Moderate increases in temperature and rainfall can herald cholera epidemics, a study in East Africa has found, and researchers urged governments to use those environmental cues to better protect vulnerable populations."

"A World Health Organization panel has concluded that cellphones 'possibly carcinogenic,' putting the popular devices in the same category as certain dry cleaning chemicals and pesticides, as a potential threat to human health."