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Posted: 4/10/2013 2:39:50 PM EST
In this March 21, 2013 photo, Ana Longo, a researcher with Proyecto Coqui, holds a Coqui Guajon or Rock Frog (Eleutherodactylus cooki) at a tropical forest in Patillas, Puerto Rico. A familiar sound is vanishing from the Caribbean night. The bird-like peeps and chirping of frogs are fainter across the region, a decline scientists say appears to be caused by a combination of climate change, a fungus that has been killing amphibians around the world, and habitat loss. It's a global problem, but worrisome in the Caribbean because the island geography means many species exist nowhere else on earth and the loss of frogs, a principal nocturnal predator of mosquitoes, may have severe consequences for humans. (AP Photo/Ricardo Arduengo)
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Posted: 4/10/2013 2:39:50 PM EST
In this March 21, 2013 photo, Ana Longo, a researcher with Proyecto Coqui, takes measurements of a Coqui Guajon or Rock Frog (Eleutherodactylus cooki) at a tropical forest in Patillas, Puerto Rico. A familiar sound is vanishing from the Caribbean night. The bird-like peeps and chirping of frogs are fainter across the region, a decline scientists say appears to be caused by a combination of climate change, a fungus that has been killing amphibians around the world, and habitat loss. It's a global problem, but worrisome in the Caribbean because the island geography means many species exist nowhere else on earth and the loss of frogs, a principal nocturnal predator of mosquitoes, may have severe consequences for humans. (AP Photo/Ricardo Arduengo)
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Posted: 4/10/2013 2:39:49 PM EST
In this March 21, 2013 photo, Ana Longo, a researcher with Proyecto Coqui, takes samples from a Coqui Guajon or Rock Frog (Eleutherodactylus cooki) at a tropical forest in Patillas, Puerto Rico. A familiar sound is vanishing from the Caribbean night. The bird-like peeps and chirping of frogs are fainter across the region, a decline scientists say appears to be caused by a combination of climate change, a fungus that has been killing amphibians around the world, and habitat loss. It's a global problem, but worrisome in the Caribbean because the island geography means many species exist nowhere else on earth and the loss of frogs, a principal nocturnal predator of mosquitoes, may have severe consequences for humans. (AP Photo/Ricardo Arduengo)
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Posted: 4/10/2013 2:39:49 PM EST
In this March 21, 2013 photo, Alberto Lopez, a researcher with Proyecto Coqui, holds a Coqui de las Hierbas or Grass Coqui (Eleutherodactylus brittoni) at a tropical forest in Patillas, Puerto Rico. A familiar sound is vanishing from the Caribbean night. The bird-like peeps and chirping of frogs are fainter across the region, a decline scientists say appears to be caused by a combination of climate change, a fungus that has been killing amphibians around the world, and habitat loss. It's a global problem, but worrisome in the Caribbean because the island geography means many species exist nowhere else on earth and the loss of frogs, a principal nocturnal predator of mosquitoes, may have severe consequences for humans. (AP Photo/Ricardo Arduengo)
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Posted: 4/10/2013 2:39:49 PM EST
In this March 21, 2013 photo, Alberto Lopez, a researcher with Proyecto Coqui, slips into the mouth of a cave searching for Coqui frogs at a tropical forest in Patillas, Puerto Rico. A familiar sound is vanishing from the Caribbean night. The bird-like peeps and chirping of frogs are fainter across the region, a decline scientists say appears to be caused by a combination of climate change, a fungus that has been killing amphibians around the world, and habitat loss. It's a global problem, but worrisome in the Caribbean because the island geography means many species exist nowhere else on earth and the loss of frogs, a principal nocturnal predator of mosquitoes, may have severe consequences for humans. (AP Photo/Ricardo Arduengo)
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Posted: 4/10/2013 2:39:49 PM EST
In this March 21, 2013 photo, Ana Longo, a researcher with Proyecto Coqui, holds a Coqui or Common Coqui (Eleutherodactylus coqui) at a tropical forest in Patillas, Puerto Rico. A familiar sound is vanishing from the Caribbean night. The bird-like peeps and chirping of frogs are fainter across the region, a decline scientists say appears to be caused by a combination of climate change, a fungus that has been killing amphibians around the world, and habitat loss. It's a global problem, but worrisome in the Caribbean because the island geography means many species exist nowhere else on earth and the loss of frogs, a principal nocturnal predator of mosquitoes, may have severe consequences for humans. (AP Photo/Ricardo Arduengo)
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Posted: 3/15/2013 2:03:37 PM EST
University student Mansour Niang, 27, who set himself on fire to protest grading changes that would keep him from continuing his studies, rests on steps outside the entrance to the emergency ward, after being treated for burns on his arm and face at the main municipal hospital, in Dakar, Senegal Friday, March 15, 2013. Niang and two other students who tried to immolate themselves Friday are part of a group of 50 geography majors who say a new grading system has unfairly left them one credit short of receiving their diplomas, and will block them from continuing to their fourth-year masters degree at the public university. Student witnesses said students unconnected to the protest immediately threw sand on Niang to put out the fire and stopped the two other students from setting themselves alight. (AP Photo/Rebecca Blackwell)
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Posted: 3/15/2013 2:03:37 PM EST
University student Mansour Niang, 27, right, who set himself on fire to protest grading changes that would keep him from continuing his studies, rests alongside friend Leon Mame Birame Faye, outside the entrance to the emergency ward, after being treated for burns on his arm and face at the main municipal hospital, in Dakar, Senegal Friday, March 15, 2013. Niang and two other students who tried to immolate themselves Friday are part of a group of 50 geography majors who say a new grading system has unfairly left them one credit short of receiving their diplomas, and will block them from continuing to their fourth-year masters degree at the public university. Student witnesses said students unconnected to the protest immediately threw sand on Niang to put out the fire and stopped the two other students from setting themselves alight. (AP Photo/Rebecca Blackwell)
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Posted: 3/15/2013 2:03:36 PM EST
University student Mansour Niang, 27, center, who set himself on fire to protest grading changes that would keep him from continuing his studies, rests with fellow students on steps outside the entrance to the emergency ward, after being treated for burns on his arm and face at the main municipal hospital, in Dakar, Senegal Friday, March 15, 2013. Niang and two other students who tried to immolate themselves Friday are part of a group of 50 geography majors who say a new grading system has unfairly left them one credit short of receiving their diplomas, and will block them from continuing to their fourth-year masters degree at the public university. Student witnesses said students unconnected to the protest immediately threw sand on Niang to put out the fire and stopped the two other students from setting themselves alight. (AP Photo/Rebecca Blackwell)
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Posted: 1/24/2013 1:13:30 AM EST
FILE - This Jan. 4, 2013, file photo, shows the haze from an inversion hanging over downtown Salt Lake City. The geography that makes Utah one of the world’s most beautiful places also brings the nation’s dirtiest air in winter, when an icy fog smothers mountain valleys for days or weeks at a time. A group of doctors is declaring a health emergency over northern Utah's lingering pollution problem. Utah Physicians for a Healthy Environment planned to deliver a petition Wednesday demanding immediate action by elected officials. The group wants Gov. Gary Herbert and mayors of northern Utah cities to cut the pollution. (AP Photo/Rick Bowmer)
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Posted: 3/17/2012 9:42:00 AM EST
A man holds a flag which reads, "Poland", as he attends a Polish minority protest about the autonomy of their schools in Vilnius March 17, 2012. Protesters demonstrated against the lack of regard for ethnic minorities seen in a law which enforced that history and geography lessons must be taught in Lithuanian at all schools, as well as the sole use of Lithuanian from 2013 in all pre-university exams taken by students to enable them to study at local universities, according to local media. REUTERS/Ints Kalnins (LITHUANIA - Tags: CIVIL UNREST EDUCATION POLITICS SOCIETY)
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Posted: 3/17/2012 9:37:30 AM EST
Women clap during a Polish minority protest about the autonomy of their schools in Vilnius March 17, 2012. They demonstrated against the lack of regard for ethnic minorities seen in a law which enforced that history and geography lessons must be taught in Lithuanian at all schools, as well as the sole use of Lithuanian from 2013 in all pre-university exams taken by students to enable them to study at local universities, according to local media. REUTERS/Ints Kalnins (LITHUANIA - Tags: CIVIL UNREST EDUCATION POLITICS SOCIETY)
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Posted: 3/17/2012 9:36:40 AM EST
People attend a Polish minority protest about the autonomy of their schools in Vilnius March 17, 2012. They demonstrated against the lack of regard for ethnic minorities seen in a law which enforced that history and geography lessons must be taught in Lithuanian at all schools, as well as the sole use of Lithuanian from 2013 in all pre-university exams taken by students to enable them to study at local universities, according to local media. REUTERS/Ints Kalnins (LITHUANIA - Tags: CIVIL UNREST EDUCATION POLITICS SOCIETY)
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Posted: 3/17/2012 9:35:42 AM EST
People attend a Polish minority protest about the autonomy of their schools in Vilnius March 17, 2012. They demonstrated against the lack of regard for ethnic minorities seen in a law which enforced that history and geography lessons must be taught in Lithuanian at all schools, as well as the sole use of Lithuanian from 2013 in all pre-university exams taken by students to enable them to study at local universities, according to local media. The sign (R) reads, "Only numskulls eliminate polish schools!". REUTERS/Ints Kalnins (LITHUANIA - Tags: CIVIL UNREST EDUCATION POLITICS SOCIETY)
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Posted: 3/17/2012 9:34:20 AM EST
People attend a Polish minority protest about the autonomy of their schools in Vilnius March 17, 2012. They demonstrated against the lack of regard for ethnic minorities seen in a law which enforced that history and geography lessons must be taught in Lithuanian at all schools, as well as the sole use of Lithuanian from 2013 in all pre-university exams taken by students to enable them to study at local universities, according to local media. REUTERS/Ints Kalnins (LITHUANIA - Tags: CIVIL UNREST EDUCATION POLITICS SOCIETY)
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Posted: 3/17/2012 9:31:39 AM EST
Children attend a Polish minority protest about the autonomy of their schools in Vilnius March 17, 2012. The protesters demonstrated against the lack of regard for ethnic minorities seen in a law which enforced that history and geography lessons must be taught in Lithuanian at all schools, as well as the sole use of Lithuanian from 2013 in all pre-university exams taken by students to enable them to study at local universities, according to local media. REUTERS/Ints Kalnins (LITHUANIA - Tags: CIVIL UNREST POLITICS EDUCATION SOCIETY)
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Posted: 3/17/2012 9:29:40 AM EST
A police officer walks beside people marching during a Polish minority protest about the autonomy of their schools in Vilnius March 17, 2012. They demonstrated against the lack of regard for ethnic minorities seen in a law which enforced that history and geography lessons must be taught in Lithuanian at all schools, as well as the sole use of Lithuanian from 2013 in all pre-university exams taken by students to enable them to study at local universities, according to local media. REUTERS/Ints Kalnins (LITHUANIA - Tags: CIVIL UNREST EDUCATION CRIME LAW POLITICS)
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Posted: 3/17/2012 9:28:07 AM EST
People march during a Polish minority protest about the autonomy of their schools in Vilnius March 17, 2012. They demonstrated against the lack of regard for ethnic minorities seen in a law which enforced that history and geography lessons must be taught in Lithuanian at all schools, as well as the sole use of Lithuanian from 2013 in all pre-university exams taken by students to enable them to study at local universities, according to local media. REUTERS/Ints Kalnins (LITHUANIA - Tags: CIVIL UNREST EDUCATION POLITICS)
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Posted: 3/17/2012 9:26:07 AM EST
People attend a Polish minority protest about the autonomy of their schools in Vilnius March 17, 2012. They demonstrated against the lack of regard for ethnic minorities seen in a law which enforced that history and geography lessons must be taught in Lithuanian at all schools, as well as the sole use of Lithuanian from 2013 in all pre-university exams taken by students to enable them to study at local universities, according to local media. REUTERS/Ints Kalnins (LITHUANIA - Tags: CIVIL UNREST EDUCATION POLITICS)
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Posted: 3/17/2012 9:24:40 AM EST
People attend a Polish minority protest about the autonomy of their schools in Vilnius March 17, 2012. They demonstrated against the lack of regard for ethnic minorities seen in a law which enforced that history and geography lessons must be taught in Lithuanian at all schools, as well as the sole use of Lithuanian from 2013 in all pre-university exams taken by students to enable them to study at local universities, according to local media. The sign (R) reads, "We ask to respect teachers". REUTERS/Ints Kalnins (LITHUANIA - Tags: CIVIL UNREST EDUCATION POLITICS)
