Graph of the Day: All-time daily rainfall records on Australia east coast, January 2013

(Climate Commission) – Between 22 and 29 January 2013 extreme rainfall occurred over the east coast of Queensland and the New South Wales coast north of the Illawarra, resulting in severe flooding (BoM, 2013b). Many areas received daily rainfalls greater than 400 mm, with many breaking daily rainfall records (BoM, 2013b) (see Figure 2, Figure […]

Petition: Tell ABC, NBC, and CBS News to cover climate change

(Media Matters) – Twelve. That’s the combined number of segments that ABC, CBS, and NBC’s nightly news programs devoted to climate change throughout all of 2012. This is woefully inadequate. We need coverage that’s consistent with the importance of dealing with this issue. That’s why we and the Sierra Club are joining the League of […]

Graph of the Day: Biological condition in rivers and streams across nine U.S. ecoregions

28 February 2013 (EPA) – The proportion of rivers and streams in poor biological condition, based on the Macroinvertebrate MMI, ranges from 26% in the Western Mountains ecoregion to 71% in the Coastal Plains ecoregion. The three most widespread stressors to rivers and streams — phosphorus, nitrogen, and riparian vegetative cover are depicted by ecoregion. […]

Empty nets in Louisiana three years after the spill – ‘Looks like somebody poured motor oil all over the marsh there’

By Matt Smith27 April 2013 Yscloskey, Louisiana (CNN) – On his dock along the banks of Bayou Yscloskey, Darren Stander makes the pelicans dance. More than a dozen of the birds have landed or hopped onto the dock, where Stander takes in crabs and oysters from the fishermen who work the bayou and Lake Borgne […]

2013 has eighth warmest start on record, despite cooler-than-average winter in much of Northern Hemisphere

Global Highlights The combined average temperature over global land and ocean surfaces for March 2013 tied with 2006 as the 10th warmest on record, at 0.58°C (1.04°F) above the 20th century average of 12.3°C (54.1°F). The global land surface temperature was 1.06°C (1.91°F) above the 20th century average of 5.0°C (40.8°F), the 11th warmest March […]

Graph of the Day: Mortality and temperature during the 2009 Melbourne heatwave

(Climate Commission) – Very hot days and heatwaves have a significant impact on human health, infrastructure, agriculture and natural ecosystems. Research at the Natural Hazards Research Centre (NRHC) has shown that heatwaves are the most significant natural hazard in Australia in terms of loss of life. There have been 4287 fatalities directly attributable to heatwaves […]

How do we know that humans are responsible for global warming?

By Michael E. Mann, Ph.D., Distinguished Professor, Pennsylvania State University[Text excerpted from chapter 2 of The Hockey Stick and the Climate Wars, by Michael E. Mann, Columbia University Press, New York, 2012, 395pp] (wunderground.com) – By the mid-1990s, it was possible to investigate the causal mechanisms behind changes in Earth’s climate using relatively sophisticated mathematical […]

Global warming increases costs for American taxpayers – ‘Climate change is fundamentally changing the United States, and American taxpayers are paying a huge price for it’

BOSTON, 15 Apr 2013 (Ceres) – A growing chunk of American tax dollars is footing the bill for increasing floods, fires, droughts and other climate related changes taking place in the country, according to new figures compiled by Ceres, a nonprofit organization mobilizing business leadership on climate change. “Climate change is fundamentally changing the United […]

Graph of the Day: Oil production declines for top five oil companies, 2004-2012

By Matthieu Auzanneau19 April 2013 (The Oil Drum) – The combined crude oil production of the five main international oil companies (Exxon, BP, Shell, Chevron and Total) hit an historic high in 2004. Since then, it has fallen by 25.8%, despite large increases in investments. Total crude oil produced by the majors was 10.760 million […]

How The Economist got it wrong on climate sensitivity

By Dana Nuccitelli and Michael E Mann 12 April 2013 (ABC Environment) – The Economist recently published a lengthy article about Earth’s climate sensitivity — how much the planet’s surface will warm in response to the increased greenhouse effect if the amount of carbon dioxide in the atmosphere doubles relative to pre-industrial levels (something that […]

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