3.5 mil years ago, summer temps were ~8°C warmer than today, CO2 was ~400 ppm

Two recent studies on past temperatures… Pliocene Warmth, Polar Amplification, and Stepped Pleistocene Cooling Recorded in NE Arctic Russia Understanding the evolution of Arctic polar climate from the protracted warmth of the middle Pliocene into the earliest glacial cycles in the Northern Hemisphere has been hindered by the lack of continuous, highly resolved Arctic time…

Why Climate Change Is Not an Environmental Issue

This video is to promote general awareness of the science of climate change. It was edited and narrated by @ryanlcooper, using illustrations from around the web. Find more of my stuff athttp://www.ryanlouiscooper.com. It was inspired largely by something David Roberts wrote: http://grist.org/article/2010-08-09-e… Find David at http://grist.org/author/david-roberts/ and @drgrist.

Arctic Ocean ‘acidifying rapidly’

BBC: The Arctic seas are being made rapidly more acidic by carbon-dioxide emissions, according to a new report. Scientists from the Arctic Monitoring and Assessment Programme (AMAP) monitored widespread changes in ocean chemistry in the region. They say even if CO2 emissions stopped now, it would take tens of thousands of years for Arctic Ocean chemistry to…

German climate talks: ‘Waiting not an option’ Merkel

DW: At Germany’s annual Petersberg climate talks, German Chancellor Merkel has called for a binding pact by 2015 to reduce carbon emissions. She said inactivity only increased the cost of combating climate change later on.

At Monday’s Petersberg Climate Dialogue, as the meeting is officially called, Chancellor Angela Merkel called for an internationally binding climate pact to be completed by 2015.
“Doing nothing means that is will be much, much more costly for us all,” Merkel said at the start of the conference in Berlin, adding that she was under no illusions about the amount of work involved in such a pact but that “waiting is not an option.”

Atmospheric Oxygen

Dr. Ralph Keeling on atmospheric Oxygen and Carbon Dioxide. Ralph Keeling is the current program director of the Scripps CO2 Program. He is also a Professor and the Principal Investigator for the Atmospheric Oxygen Research Group at SIO.


o2 decrease fossil fuel burning ralph keelingAtmospheric Oxygen Levels are Decreasing

Oxygen levels are decreasing globally due to fossil-fuel burning. The changes are too small to have an impact on human health, but are of interest to the study of climate change and carbon dioxide. These plots show the atmospheric O2 concentration relative to the level around 1985. The observed downward trend amounts to 19 ‘per meg’ per year. This corresponds to losing 19 O2 molecules out of every 1 million O2 molecules in the atmosphere each year. http://scrippso2.ucsd.edu/

Station Daily Averages of CO2 and O2/N2 http://scrippso2.ucsd.edu/plots

Getting rich off global warming

“Local officials and enviros are making plans for a post-global warming America. And so are profit-seeking companies.”

BY  / via Salon.com

On the opening morning of the inaugural National Adaptation Forum, I was eating breakfast at a stand-up table in the exhibition hall when a mustachioed man of middle age plopped his cherry Danish next to my pile of conference literature, a mess of pamphlets and reports with titles likeGetting Climate Smart: A Water Preparedness Guide for State Action, and Successful Adaptation: Linking Science and Policy in a Rapidly Changing World. The nametag dangling above the Danish identified the man as Michael Hughes, director of public works for the Chicago suburb of Elmhurst. Like many attendees, Hughes was part of a new national emergency-response team without being fully aware of it. He had arrived in Denver knowing little about “adaptation,” the anemic catchall for attempts to fortify our natural and built environments against the epochal temperature spike in progress.

“I hadn’t even heard the term ‘adaptation’ a month ago,” he told me, taking a bite.

World’s Changing Glaciers “Chasing Ice” (2012)

Follow National Geographic photographer James Balog across the Arctic as he deploys time-lapse cameras designed for one purpose: to capture a multi-year record of the world’s changing glaciers. Visit IMDB for more film details. Donate to the project chasingice.com   Update The old movie version is no longer available, updated the video URL to a…

Glacier and Ice-Sheet Dynamics in a Warming World

November 06, 2008: SFU Canada Research Chairs Seminar Series “Glacier and ice-sheet dynamics in a warming world”

Dr. Gwenn Flowers, Canada Research Chair in Glaciology / Department of Earth Sciences

Teaser image credit: Ted Scambos & Rob Bauer, NSIDC  / A researcher works with an ice core drill during the 2003 Antarctic Megadunes expedition.

Either governments are not serious about climate change or fossil-fuel firms are overvalued

By The Economist: MARKETS can misprice risk, as investors in subprime mortgages discovered in 2008. Several recent reports suggest that markets are now overlooking the risk of “unburnable carbon”. The share prices of oil, gas and coal companies depend in part on their reserves. The more fossil fuels a firm has underground, the more valuable its shares. But what if some of those reserves can never be dug up and burned?

If governments were determined to implement their climate policies, a lot of that carbon would have to be left in the ground, says Carbon Tracker, a non-profit organisation, and the Grantham Research Institute on Climate Change, part of the London School of Economics. Their analysis starts by estimating the amount of carbon dioxide that could be put into the atmosphere if global temperatures are not to rise by more than 2°C, the most that climate scientists deem prudent. The maximum, says the report, is about 1,000 gigatons (GTCO2) between now and 2050. The report calls this the world’s “carbon budget”.

Home (2009)

We are living in exceptional times. Scientists tell us that we have 10 years to change the way we live, avert the depletion of natural resources and the catastrophic evolution of the Earth’s climate. The stakes are high for us and our children. Everyone should take part in the effort, and HOME has been conceived…