India Earth Day

A man walks past garbage being burnt at a dump on the outskirts of Hyderabad, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Mahesh Kumar A.)

A boy looks at fresh garbage being dumped by a truck at a garbage dump on the outskirts of New Delhi, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Saurabh Das)

A boy walks past a garbage dump in Mumbai, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Rajanish Kakade)

An Indian municipal worker dumps garbage near waste water flowing out of an industrial area on the outskirts of Jammu, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Channi Anand)

Girls scavenge for plastic and otheritems that can be sold to scrap dealers, at a garbage dump on the outskirts of New Delhi, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Saurabh Das)

A girl scavenges for plastic and other items that can be sold to scrap dealers, at a garbage dump on the outskirts of New Delhi, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Saurabh Das)

A young boy collects reusable materials at a garbage dump, with the backdrop of a nursery school and a hospital, on the outskirts of New Delhi, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Saurabh Das)

A girl scavenges for plastic and other odd items that can be sold to scrap dealers, at a garbage dump on the outskirts of New Delhi, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Saurabh Das)

Girls scavenge for plastic and other odd items that can be sold to scrap dealers, at a garbage dump on the outskirts of New Delhi, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Saurabh Das)

Indian rag picker children wait to pick reusable materials as trucks deposit garbage at a dump yard on the outskirts of Jammu, India, Wednesday, April 21, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Channi Anand)

An Indian rag picker child walks across waste water flowing out of an industrial area on the outskirts of Jammu, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Channi Anand)

An Indian rag picker carries bags as he walks through plastic waste on the outskirts of Jammu, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Channi Anand)

A Bangladeshi rag picker boy paddles through the polluted waters of the Buriganga channel scavenging plastic waste on the outskirts of Dhaka, Bangladesh, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Pavel Rahman)

A man scavenges for reusable material at a dump yard on the outskirts of Jammu, India, Wednesday, April 21, 2010. Earth Day will be marked on April 22, a day that aims to increase awareness about the state of the world's environment and urge for local action against environmental degradation. (AP Photo/Channi Anand)

Rag pickers sort out plastic waste in Mumbai, India, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Rajanish Kakade)

A Bangladeshi rag picker scavenges for plastic waste in a garbage dump on the outskirts of Dhaka, Bangladesh, Thursday, April 22, 2010. Thursday marks the 40th anniversary of Earth Day which aims to urge local action and increase awareness about the state of the world's environment. (AP Photo/Pavel Rahman)

A street hawker sells hats on a hot summer day in Calcutta, India, Sunday, April 11, 2010. Heat wave conditions swept several parts of the country with mercury hovering over 40 degree Celsius (104 degree Fahrenheit) in many areas, according to news reports.(AP Photo/Sucheta Das)