Change and Food Security
Global warming induced heat
waves, drought, and
flooding constitute a global food security emergency for us all today, to protect our near and long term future food security- the world's top food producing regions of the temperate Northern hemisphere are now global warming & climate
change vulnerable. PLEASE SPREAD the 2014 CAN Int Position Statement. The very first global climate change response was released in June 2014 by the Climate Action Network International representing 900 organizations have over 500 countries.
19 Dec 2014 Climate change cut to world food output 18% by 2050
Changes in climate are already
affecting the sustainability of agricultural systems and disrupting
Unless the emissions of GHGs are curbed
.. changes in temperature, precipitation, and
other climate variables will undoubtedly affect
agriculture around the world
Position statement of the American Society of
Agronomy Crop Science Society of America Soil Science Society of
Climate change: how a
warming world is a threat to our food supplies
Global warming is
exacerbating political instability as tensions brought on by food insecurity
rise. With research suggesting the issue can only get worse we examine the
risks around the world. The Observer 13 April 2013
The 11,000 year period of relative climate
stability in which agriculture developed
is over. Lester Brown
IPCC AR5 2014 WG2
Negative impacts of climate change on crop and terrestrial food production have been more common than positive impacts, which are evident in some high latitude regions.
Without adaptation local temperature increases of 1.0C (global average also 1.0C) above pre-industrial are projected to negatively impact yields for major crops (wheat rice and maize) in tropical and temperate regions.
With or without adaptation, negative impacts on average yields become likely from the 2030s with median yield impacts of 0 to -2% per decade projected for the rest of the century , and after 2050 the risk of more severe impacts increases. These impacts will occur in the context of rising crop demand
IPCC AR5 WG2 (p.4) Based on many studies, negative impacts of climate change on crop yields have been more common than positive impacts (high confidence).