Monthly Archives: April 2016

Climate Letter #647

An analysis of this year’s temperature reports.  The principal chart uses the same baseline that is referred to whenever the 2C limit is being talked about.  (I wish they would all do that!)  It’s pretty clear that we are half … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #647

Climate Letter #646

A new study about how life in the deeper parts of the oceans is affected by the triple threat of warmer water, reduced oxygen and acidification.  This particular subject that gets little attention but can be seen as an important … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #646

Climate Letter #645

Water shortage is causing climate migration in western India.  The migrants are heading for the city of Mumbai, which itself has limited supplies available to dole out. http://www.theguardian.com/global-development/2016/apr/27/india-drought-migrants-head-to-cities-in-desperate-search-for-water —– A video update on the famine due to drought in sub-Saharan … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #645

Climate Letter #644

An important new study about the likely cause of climate change in the distant past.  Scientists have learned a new way to estimate past atmospheric CO2 levels by analyzing the shells of certain marine fossils from eras that already have … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #644

Climate Letter #643

CO2 emissions update.  Recent daily and weekly reports from Mauna Loa show a leveling off of emissions uncomfortably close to 408 ppm.  This comes in the aftermath of an unexplained jump in early April that yielded a daily high of … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #643

Climate Letter #642

New research related to potential melting from Greenland’s glaciers.  This is a very high level body of work, with Eric Rignot as a co-author.  It explains why the underwater melting risk for many of these glaciers is much greater than … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #642

Climate Letter #641

Today in the Climate Reanalyzer.  There has been a strange and disturbing development in just the last two days, as the surface air temperature in the Antarctic region has warmed significantly relative to its 1979-2000 baseline average.  Usually it reads … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #641

Climate Letter #640

A major new study measures the effect of higher CO2 levels on the production of food crops.  This is a highly complicated matter, with all sorts of answers depending on location and other circumstances.  There is a need for farmers … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #640

Climate Letter #639

The flooding problem is getting worse and worse, as evidenced by the incredible event in Houston.  In this post Robert Fanney provides links to recent flood stories elsewhere, including several countries in the Middle East, Saudi Arabia, Russia and Chile.  … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #639

Climate Letter #638

Some extraordinary temperature charts.  This post has several good charts that put recent heat records into context.  March alone shows a spectacular jump, but that could just be a one-month peculiarity.  The last chart in the series shows how the … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #638