EarthAncient climate change picked the crops we eat today A spike in CO2 in the atmosphere after the last ice age may explain the choice of plants humans now cultivate for food, such as wheat and barley ¿ìè¶ÌÊÓÆµ
EarthFukushima leaks will keep fisheries closed Some Japanese fisheries face a long-term threat from the steady trickle of radioactive water from the stricken Fukushima Daiichi nuclear plant ¿ìè¶ÌÊÓÆµ