Pledges currently on the table at the UN climate talks will doom Earth to a warming of more than two degrees Celsius

Climate pledges bound to breach key warming target: scientists

Space & Earth / Environment

created Jun 11, 2009 | popularity 4.4 / 5 (97) | comments 172

Pledges currently on the table at the UN climate talks will doom Earth to a warming of more than two degrees Celsius (3.6 degrees Fahrenheit), a figure that has been widely endorsed as a safe limit, scientists ...


Climate change is already having an impact across the US

Space & Earth / Environment

created Jun 16, 2009 | popularity 4.3 / 5 (89) | comments 38

Extreme weather, drought, heavy rainfall and increasing temperatures are a fact of life in many parts of the U.S. as a result of human-induced climate change, researchers report today in a new assessment. These and other ...


The report says greenhouse gas emissions must be curbed

Scientists warn of climate catastrophe

Space & Earth / Environment

created Jun 18, 2009 | popularity 4.2 / 5 (89) | comments 46

The world faces a growing risk of "abrupt and irreversible climatic shifts" as fallout from global warming hits faster than expected, according to research by international scientists released Thursday.


Super-size deposits of frozen carbon threat to climate change

Space & Earth / Earth Sciences

created Jun 30, 2009 | popularity 4.7 / 5 (59) | comments 9

The vast amount of carbon stored in the arctic and boreal regions of the world is more than double that previously estimated, according to a study published this week.


Living Safely with Robots, Beyond Asimov's Laws

Living Safely with Robots, Beyond Asimov's Laws

Electronics / Robotics

created Jun 22, 2009 | popularity 4.6 / 5 (59) | comments 40

(PhysOrg.com) -- "In 1981, a 37-year-old factory worker named Kenji Urada entered a restricted safety zone at a Kawasaki manufacturing plant to perform some maintenance on a robot. In his haste, he failed ...


Scientists create first electronic quantum processor

Scientists create first electronic quantum processor

Physics / General Physics

created Jun 28, 2009 | popularity 4.8 / 5 (57) | comments 46

A team led by Yale University researchers has created the first rudimentary solid-state quantum processor, taking another step toward the ultimate dream of building a quantum computer.


Ice sheets can retreat 'in a geologic instant,' study of prehistoric glacier shows

Ice Sheets Can Retreat 'In a Geologic Instant,' Study of Prehistoric Glacier Shows

Space & Earth / Earth Sciences

created Jun 21, 2009 | popularity 4.5 / 5 (60) | comments 19

(PhysOrg.com) -- Modern glaciers, such as those making up the Greenland and Antarctic ice sheets, are capable of undergoing periods of rapid shrinkage or retreat, according to new findings by paleoclimatologists ...


The least sea ice in 800 years

The least sea ice in 800 years

Space & Earth / Earth Sciences

created Jul 01, 2009 | popularity 4.1 / 5 (66) | comments 76

New research, which reconstructs the extent of ice in the sea between Greenland and Svalbard from the 13th century to the present indicates that there has never been so little sea ice as there is now. The ...


Scientists: Global warming has already changed oceans

Space & Earth / Earth Sciences

created Jun 10, 2009 | popularity 4.2 / 5 (63) | comments 4

In Washington state, oysters in some areas haven't reproduced for four years, and preliminary evidence suggests that the increasing acidity of the ocean could be the cause. In the Gulf of Mexico, falling oxygen levels in ...


Wind + water = untapped energy: An abundance of power exists above Earth's oceans, study finds

Wind + water = untapped energy: An abundance of power exists above Earth's oceans, study finds

Space & Earth / Earth Sciences

created Jun 30, 2009 | popularity 4.6 / 5 (57) | comments 13

(PhysOrg.com) -- Wind energy over the planet's oceans is a vastly underutilized renewable resource, according to UC Irvine researchers.


UN humanitarian chief John Holmes

UN warns of 'megadisasters' linked to climate change

Space & Earth / Environment

created Jun 17, 2009 | popularity 4.3 / 5 (58) | comments 31

The United Nations on Tuesday raised the prospect of "megadisasters" affecting millions of people in some of the world's biggest cities unless more is done to heed the threat of climate change.


Desert dust alters ecology of Colorado alpine meadows

Desert Dust Alters Ecology of Colorado Alpine Meadows

Space & Earth / Earth Sciences

created Jun 29, 2009 | popularity 4.9 / 5 (50) | comments 1

(PhysOrg.com) -- Accelerated snowmelt--precipitated by desert dust blowing into the mountains--changes how alpine plants respond to seasonal climate cues that regulate their life cycles, according to results ...


A new measure of global warming from carbon emissions

Space & Earth / Environment

created Jun 10, 2009 | popularity 4.2 / 5 (56) | comments 13

Damon Matthews, a professor in Concordia University's Department of Geography, Planning and the Environment has found a direct relationship between carbon dioxide emissions and global warming. Matthews, together with colleagues ...


Study: Greenland ice sheet larger contributor to sea-level rise

Greenland ice sheet larger contributor to sea-level rise

Space & Earth / Earth Sciences

created Jun 12, 2009 | popularity 4.4 / 5 (52) | comments 8

The Greenland ice sheet is melting faster than expected according to a new study led by a University of Alaska Fairbanks researcher and published in the journal Hydrological Processes.


Physical reality of string theory demonstrated

Physics / General Physics

created Jul 06, 2009 | popularity 4.4 / 5 (49) | comments 38

String theory has come under fire in recent years. Promises have been made that have not been lived up to. Leiden (The Netherlands) theoretical physicists have now for the first time used string theory to describe a physical ...