"Monday marks the birth of the world’s seven billionth baby, according to the United Nations. In all likelihood, that child will probably take its first breaths in a city in a developing country, where projections say the majority of new children will be born."

"The world's governments and relief agencies need to plan now to resettle millions of people expected to be displaced by climate change, an international panel of experts said on Thursday."

"SINGAPORE -- Oil prices jumped above $92 a barrel Thursday in Asia after European leaders agreed on a plan to reduce Greece's debt burden."

"LONDON -- In five days, there will be an unprecedented seven billion people on Earth, the United Nations projects in a new State of World Population 2011 report released today in London and in more than 100 other cities throughout the world."

"The disaster at the Fukushima Daiichi nuclear plant in March released far more radiation than the Japanese government has claimed. So concludes a study that combines radioactivity data from across the globe to estimate the scale and fate of emissions from the shattered plant."

"Rapidly growing megacities in Africa and Asia face the highest risks from rising sea levels, floods and other climate change impacts, says a global survey aimed at guiding city planners and investors."

"The Fukushima Plate is tableware with its own built-in safety mechanism. Underneath the plate is a radiation meter that logs whether your sushi has absorbed too much seaborne radiation from the Fukushima disaster earlier this year."

"TIANJIN, China -- China and Taiwan have agreed to cooperate on nuclear safety in the aftermath of Japan's nuclear crisis."

Clyde Butcher, a photographer who lives in the Everglades, uses his nature photographs to support calls for conservation. He's a member of the International League of Conservation Photographers, who address issues ranging from poaching to global warming.

"Like oil in the 20th century, water could well be the essential commodity on which the 21st century will turn."