Medio Ambiente

Children dive into polluted Manila bay to beat the simmering heat. The summer season officially started on the last week of February and is expected to end around the second week of May. REUTERS/Romeo Ranoco (PHILIPPINES SOCIETY HEALTH)

Reuters

A boy dives into polluted Manila bay to beat the simmering heat March 18, 2009. The summer season officially started on the last week of February and is expected to end around the second week of May. REUTERS/Romeo Ranoco (PHILIPPINES SOCIETY HEALTH)

Reuters

A father bathes his son to beat the simmering heat in polluted Manila bay March 18, 2009. The summer season officially started on the last week of February and is expected to end around the second week of May. .REUTERS/Romeo Ranoco (PHILIPPINES SOCIETY HEALTH)

Reuters

A boy dives into polluted Manila bay to beat the simmering heat March 18, 2009. The summer season officially started on the last week of February and is expected to end around the second week of May. REUTERS/Romeo Ranoco (PHILIPPINES SOCIETY HEALTH)

Reuters

Container ships and bulk carriers are seen in the shipping lanes off the coast of Singapore March 10, 2009. Picture taken March 10. When it comes to greenhouse gas emissions, the shipping industry is neither lean nor green. Ships carry about 90 percent of global trade, and until recently, such has been the demand for coal, cars and electronics, that there has been little concerted effort to rein in the growth of polluting emissions from ships.To match feature CLIMATE-SHIPS/ REUTERS/Vivek Prakash (SINGAPORE BUSINESS ENVIRONMENT)

Reuters

Container ships and bulk freighters are pictured in the shipping lanes off the coast of Singapore, as the Singapore Flyer observation wheel is seen in the foreground, March 13, 2009. When it comes to greenhouse gas emissions, the shipping industry is neither lean nor green. Ships carry about 90 percent of global trade, and until recently, such has been the demand for coal, cars and electronics, that there has been little concerted effort to rein in the growth of polluting emissions from ships. Picture taken March 13. To match feature CLIMATE-SHIPS/ REUTERS/Vivek Prakash (SINGAPORE SOCIETY ENVIRONMENT)

Reuters

In this undated handout combination photo provided the the National Parks Service, the same view is shown on different days at the Big Bend National Park in Texas, indicating the extent of visibility. Federal and state environmental officials agree that the haze, a cloud of pollution caused by factories and power plants hundreds or thousands of miles away in the U.S. and Mexico, needs to be cleaned up. But they differ, by about 91 years, on how long it should take. (AP Photo/National Park Service)

AP

TO GO WITH AFP STORY "Environment-HongKong-pollution-waste-recycle,FEATURE" by Guy Newey.Green entrepreneur Brian Pemberton displays some of his recycled rice bags in Hong Kong on March 6, 2009. Pemberton is trying to help Hong Kong beat its looming waste crisis -- one rice sack at a time. The entrepreneur takes used sacks from China and refashions the hardy material into reusable and unique grocery bags, then sells them to eco-friendly shoppers to use instead of free plastic bags. AFP PHOTO / MIKE CLARKE (Photo credit should read MIKE CLARKE/AFP/Getty Images)

AFP/Getty Images

TO GO WITH AFP STORY "Environment-HongKong-pollution-waste-recycle,FEATURE" by Guy Newey.Green entrepreneur Brian Pemberton displays some of his recycled rice bags in Hong Kong on March 6, 2009. Pemberton is trying to help Hong Kong beat its looming waste crisis -- one rice sack at a time. The entrepreneur takes used sacks from China and refashions the hardy material into reusable and unique grocery bags, then sells them to eco-friendly shoppers to use instead of free plastic bags. AFP PHOTO / MIKE CLARKE (Photo credit should read MIKE CLARKE/AFP/Getty Images)

AFP/Getty Images

TO GO WITH AFP STORY "Environment-HongKong-pollution-waste-recycle,FEATURE" by Guy Newey.Green entrepreneur Brian Pemberton displays some of his recycled rice bags in Hong Kong on March 6, 2009. Pemberton is trying to help Hong Kong beat its looming waste crisis -- one rice sack at a time. The entrepreneur takes used sacks from China and refashions the hardy material into reusable and unique grocery bags, then sells them to eco-friendly shoppers to use instead of free plastic bags. AFP PHOTO / MIKE CLARKE (Photo credit should read MIKE CLARKE/AFP/Getty Images)

AFP/Getty Images