best earth environmental pictures national geographic 2011

 Overall Winner: "Homeless"

 This powerful image of two vulnerable children living on what seems like the very edge of survival has won Chan Kwok Hung from Hong Kong the title of Environmental Photographer of the Year 2011.

  Underwater-World Finalist: "Kingfisher"

 Changing-Climates Finalist: "Penguins and Fire"

 

 Natural-World Finalist: "Touché"

 atural-World Finalist: "Hungry Pelicans"

Natural-World Winner: "Lightning at Kaieteur Falls" 

 Natural-World Finalist: "Wild Dog Hunt"

 Underwater-World Finalist: "Giant's Gullet"

Changing-Climates Finalist: "Lost Villages" 

 Natural-World Finalist: "Silver and Gold"

Earth Hour:the site of the ancient Giza Pyramids

A combination photo of a night view of the site of the ancient Giza Pyramids before and after switching off the lights for the Earth Hour, in Cairo, Egypt Saturday March 28, 2009. From an Antarctic research base to the Great Pyramids of Egypt and beyond, the world switched off the lights on Saturday for the second Earth Hour, dimming skyscrapers, city streets and some of the world's most recognizable monuments for60 minutes to highlight the threat of climate change

(AP Photo/Nasser Nouri)

Earth Hour:the Eiffel Tower

A combination of four pictures shows a view of the Eiffel Tower before and during (top-bottom) Earth Hour in Paris March 28, 2009.More than 80 countries have signed up for Earth Hour on Saturday in which homes, office towers and landmarks will turn off their lights from 8.30pm local time to raise awareness about climate change and the threat from rising greenhouse gas emissions.

REUTERS/Benoit Tessier (FRANCE)

Earth Hour:Rome's ancient Colosseum

two-picture combo shows Rome's ancient Colosseum with its lights on, above, and off, to mark an Earth Hour event, Saturday, March 28, 2009. From the Great Pyramids to the Acropolis, the London Eye to the Las Vegas strip, nearly 4,000 cities and towns in 88 countries planned to join in the World Wildlife Fund-sponsored event, a time zone-by-time zone plan to dim nonessential lights between 8:30p.m. and 9:30 p.m
(AP Photo/Gregorio Borgia)

Earth Hour:the Royal Palace in Oslo, Norway

A combination picture shows a view of the Royal Palace in Oslo, Norway, before (top) and during Earth Hour Saturday March 28, 2009. More than 80 countries have signed up for Earth Hour on Saturday in which homes, office towers and landmarks will turn off their lights from8.30pm local time to raise awareness about climate change and the threat from rising greenhouse gas emissions.

(AP Photo/ Lise)

Earth Hour:the Burj al Arab hotel of Dubai

A combination of pictures shows a view of the Burj al Arab hotel of Dubai before (L) and during Earth Hour March 28, 2009.More than 80 countries have signed up for Earth Hour on Saturday in which homes, office towers and landmarks will turn off their lights from 8.30pm local time to raise awareness about climate change and the threat from rising greenhouse gas emissions.

REUTERS/Fouad Juez (UAE)

Earth Hour:the Canary Wharf financial district

A combination picture shows the Canary Wharf financial district during mid-evening on March 26, 2009 and during Earth Hour (L-R) in East London March 28, 2009. More than 80 countries have signed up for Earth Hour on Saturday in which homes, office towers and landmarks will turn off their lights from 8.30pm local time to raise awareness about climate change and the threat from rising greenhouse gas emissions

REUTERS/Toby Melville (BRITAIN CITYSCAPE)

Earth Hour:St. Stephens tower

A combination picture shows the landmark St. Stephens tower of the Houses of Parliament in central London during 'Earth Hour', left, with its lights switched off, and right, following the action, Saturday March 28, 2009. A London Underground sign is seen in both pictures. Time zone by time zone, nearly4,000 cities and towns in 88 countries joined the event sponsored by the World Wildlife Fund to dim nonessential lights from 8:30p.m. to 9:30 p.m. The campaign began in Australia in 2007 and last year grew to 400 cities worldwid.

(AP Photo/Lefteris Pitarakis)

VOTE EARTH BY SWITCHING OFF YOUR LIGHTS

.

THIS SATURDAY 28 MARCH AT 8.30.PM YOU CAN VOTE EARTH BY SWITCHING OFF YOUR LIGHTS FOR ONE HOUR - EARTH HOUR

at google : here

Earth Hour invites one billion people in more than 2800 cities representing 83 countries to turn off their lights for one hour – tonight, Saturday, March 28 from 8:30pm to 9:30pm in their local time zone. On this day, cities around the world, including Paris, Sydney, London, Cairo, New York, Los Angeles and Cape Town,will join together to demonstrate their commitment to energy conservation and sustainability
Earth Hour