Monthly Archives: February 2013

Learning About Environmental Tipping Points by Looking into the Past

How Quickly Do They Tip? Recently, I have been writing a lot about the political aspects of climate change, so today we get back to environmental and ecological science.  I’m sure there will be more politics in the future, but not today.  There has been lots of speculation in recent months about tipping points – … Continue reading »

Categories: Biodiversity Loss, Changing Oceans, Climate change, Our Dying Planet | 1 Comment

Keystone XL Heats Up – Its not Just Another Pipeline

In a way, the Keystone XL is just another pipeline transporting oil around North America.  But Keystone XL is also a symbol – of Canada’s push to become a petro-state, and of the growing concern re CO2 emissions and climate change.  I wrote on February 2nd about why the pipeline should be opposed, and the … Continue reading »

Categories: Climate change, In the News, Tar Sands | Comments Off on Keystone XL Heats Up – Its not Just Another Pipeline

Nature editorial recommends climate actions for Obama

The editorial in the Thursday 31 January 2013 issue of Nature offers scientifically informed advice to the Obama administration on how it might best advance the climate agenda that President Obama articulated in his Inaugural Address.  As such this editorial must be seen as at minimum straddling the border between science and politics.  The editorial … Continue reading »

Categories: Climate change, In the News, Tar Sands | 2 Comments