Monthly Archives: March 2017

“The most influential climate change paper of all time” is now fifty years old.  It established the basic principles for setting up a model of how changes in CO2 plus many feedbacks would affect global temperatures, and even produced some … Continue reading →

All of sub-Saharan Africa has high-risk exposure to drought.  More than 300 million people live in this region and have limited food supplies to begin with.  Their most important food crop, maize, is relatively sensitive to drought.  Not all future … Continue reading →

Toxic algae blooms are a growing problem in the Arabian Sea.  “Scientists who study the algae say the microscopic organisms are thriving in new conditions brought about by climate change, and displacing the zooplankton that underpin the local food chain, … Continue reading →

A worsening of water scarcity in the Middle East and North Africa.  Fresh water availability has fallen by two-thirds in the past 40 years, a trend that is expected to continue.  Agriculture is in jeopardy for many reasons, and with … Continue reading →

A new study adds to information about how the oceans have been warming.  Heat stored within the oceans is building up at a steadily increasing rate, not subject to the kind of slowdown experienced at times in the atmosphere.  This … Continue reading →

A new study highlights the danger of natural CO2 release from warming of soils.  Scientists at Berkeley Lab discover considerably more release from deeper layers of warming soil than what has been assumed.  The soils tested were of an ordinary … Continue reading →

A new study concerning the effect of higher CO2 levels on agricultural crop production.  The main point is that the benefits due to increased photosynthesis can be negated by certain feedback effects that are commonly overlooked.  This varies from region … Continue reading →

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Predictions for global greening due to higher CO2 levels may be overestimated.  A new study shows that vegetation growing in soils that are low in phosphorus do not grow any faster when CO2 rises.  Such soils are common to tropical … Continue reading →

Large parts of Iran are in the grip of an environmental catastrophe.  Climate change is partly responsible, with careless environmental policies also having an effect.  Water shortages threaten to make vast areas of land uninhabitable in the near future. The … Continue reading →