Climate Change

Scarce resources, climate biggest threats to world health

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reuters // Reuters
Zahida, a nine-year-old girl displaced by floods stands amidst a wall with rainw
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LONDON, Oct 17 (Reuters) - The Earth's natural resources like food, water and forests are being depleted at an alarming speed, causing hunger, conflict, social unrest and species extinction, experts at a climate and health conference in London warned on Monday.

Increased hunger due to food yield changes will lead to malnutrition; water scarcity will deteriorate hygiene; pollution will weaken immune systems; and displacement and social disorder due to conflicts over water and land will increase the spread of infectious diseases, they said.

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Canadian Arctic nearly loses entire ice shelf from global warming

Author: 

Charmaine Noronha
Canadian Arctic nearly loses entire ice shelf from global warming
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Luke Copland is an associate professor in the geography department at the University of Ottawa who co-authored the research published on Carleton University’s website. He said the Serson Ice Shelf shrank from 205 square kilometres to two remnant sections five years ago, and was further diminished this past summer.

Prof. Copland said the shelf went from a 42-square-km floating glacier tongue to 25 square km, and the second section from 35 square km to 7 square km, off Ellesmere Island’s northern coastline.

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The 'other' Arctic sea ice melt

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Reports focus on the possibility a record minimum for Arctic sea ice in September, but a major loss during the early summer months is climatologically more important

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Weather Disasters Keep Costing U.S. Billions This Year

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Mary Wisniewski
Weather Disasters Keep Costing U.S. Billions This Year
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Blizzards. Tornadoes. Floods. Record heat and drought, followed by wildfires.

The first eight months of 2011 have brought strange and destructive weather to the United States.

From the blizzard that dumped almost two feet of snow on Chicago, to killer tornadoes and heat waves in the south, to record flooding, to wildfires that have burned more than 1,000 homes in Texas in the last few days, Mother Nature has been in a vile and costly mood.

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Weather Disasters Costing U.S. Billions This Year

Author: 

Mary Wisniewski
Weather Disasters Keep Costing U.S. Billions This Year
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Blizzards. Tornadoes. Floods. Record heat and drought, followed by wildfires.

The first eight months of 2011 have brought strange and destructive weather to the United States.

From the blizzard that dumped almost two feet of snow on Chicago, to killer tornadoes and heat waves in the south, to record flooding, to wildfires that have burned more than 1,000 homes in Texas in the last few days, Mother Nature has been in a vile and costly mood.

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Map tracks Antarctica on the move

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Jonathan Amos
Map tracks Antarctica on the move
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Scientists have produced what they say is the first complete map of how the ice moves across Antarctica.

Built from images acquired by radar satellites, the visualisation details all the great glaciers and the smaller ice streams that feed them.

The map has been published online by Science magazine.

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UN Establishes a Committee on Global Geospatial Information

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Matt Ball
UN Establishes a Committee on Global Geospatial Information
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The United Nations Economic and Social Council (ECOSOC) voted to establish a committee on global geospatial information management in order to enhance international dialogue and cooperation on spatial data infrastructures. The UN recognizes the benefits of geospatial information for application to humanitarian, peace and security, environmental and development challenges as well as to responses to climate change, natural disasters, pandemics, famines, population displacement, and food and economic crises.

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Weather disasters seen costly sign of things to come

Author: 

Molly O'Toole
Weather disasters seen costly sign of things to come
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WASHINGTON (Reuters) – The United States is on a pace in 2011 to set a record for the cost of weather-related disasters and the trend is expected to worsen as climate change continues, officials and scientists said on Thursday.

"The economic impact of severe weather events is only projected to grow," Senator Dick Durbin said at a hearing of the Senate Subcommittee on Financial Services and Government, which he chairs. "We are not prepared. Our weather events are getting worse, catastrophic in fact."

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Wally's World -- Thirty-five years ago this week, Wallace Broecker predicted decades of dangerous climate change caused by humans. Unfortunately, he was all too prescient.

Author: 

BRAD JOHNSON
Wally's World
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On Aug. 8, 1975, geoscientist Wallace Smith Broecker published "Are We on the Brink of a Pronounced Global Warming?" in the journal Science, the first time the iconic phrase "global warming" was used in a scientific paper.

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Melting Arctic ice releasing banned toxins, warn scientists -- Unknown amount of trapped persistent organic pollutants poses threat to marine life and humans as temperatures rise

Author: 

Damian Carrington
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The warming of the Arctic is releasing a new wave of banned toxic chemicals that had been trapped in the ice and cold water, scientists have discovered.

The researchers warn that the amount of the poisons stockpiled in the polar region is unknown and their release could "undermine global efforts to reduce environmental and human exposure to them."

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