In a
Commentary published in the journal Nature Geoscience UK climate scientist Kevin Anderson accuses his fellow climate scientists of deliberately downplaying the challenge of keeping warming below 2 degrees C. His analysis concludes that to have even a slim chance of staying under that limit will require a revolution in how we both consume and produce energy. This is a very sobering commentary, as
discussed by Ed King, who also cites a
paper published this week in Environmental Research Letters that warns that the combined climate plans of the U.S., the EU, and China leave little room; for emissions from other countries if we are to stay below the carbon budget.
In a new series of articles,
The Guardian asks
“Which countries are doing the most to stop dangerous global warming?”. In those articles they examine the pledges of 14 nations ahead of the November Paris climate conference.
N. Gregory Mankiw is a conservative economics professor at Harvard, yet he advocates a carbon tax as the best way to fight climate change.
To find out why, read this interview by Amanda Little in
Grist. Then read what Eduardo Porter has to say about “
Bringing Republicans to the Climate Change Table.”
A new study published in the journal
Nature Climate Change examined precipitation in the Sierra Nevada mountains of California to determine how frequently it has been as low as this past year. They used precipitation records back to about 1930 and tree ring data back to around 1500.
They found that the current drought was the worst in the entire 500 year record. Furthermore, with further warming the frequency of such a drought is likely to increase.
In an article published in the
Proceedings of the National Academy of Sciences researchers from the US and Germany
examine the possible fate of US cities in the face of sea level rise. A key finding is that millions of Americans may already live in cities destined to be inundated. Whether they will or not depends on whether we reduce our CO2 emissions and the fate of the West Antarctic ice sheet.
Andrew Freedman provides a more detailed analysis in Mashable.
Climate feedbacks have a very important impact on the outcome from adding CO2 to the atmosphere. In fact, they are the major complicating factor that makes it difficult to know exactly how much Earth will warm in response to more CO2.
Prof. Eric Wolff of the University of Cambridge in the UK has explained the term feedback and summarized the major ones acting on the climate system, indicating where uncertainties lie. His piece was prepared for a general audience.
Three items from the oil front.
BP's top economist has admitted that some of the world's oil will not be burned because of concerns over climate change. While many factors enter into decisions concerning oil exploration, it is encouraging to note that
exploration for new oil reserves has been significantly curtailed. On Friday the
Interior Department announced that it is cancelling oil lease sales for the Arctic Ocean for 2016 and 2017.
Perhaps it's the crazy weather we've been having, but according to a new poll, there has been a significant
increase in the percent of Americans who believe that climate change is happening and that humans are influencing it.