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See the latest reader comments and hear John explain some of agriculture’s complex topics.
The Global Warming Debate...Continued...
Jan 30, 2012
***Editor's Note: The following is a viewer response to John's commentary on global warming this past weekend. We have posted his comments immediately following the viewer feedback...
I had some classes in physical geology when I was in college. To measure worldwide temperatures and climate trends is likely a reasonable way to understand worldwide changes. However, it's causation that is a much bigger question. Dinosaur bones are being dug in Alaska without enough good explanations of how the weather there could have been warm enough for those animals and the supporting vegetation. Other than worldwide climate cycles, ice age beginnings and ends are pretty hard to explain. If we think on a 'small' time scale, we can strictly blame industrialization for climate change. If we look at science and world scale history, there are other possibilities here. Or maybe humanity is simply arrogant enough to assume they have the intelligence and power to be responsible for every good and bad thing that happens on the planet. Regards, Tom Lingbloom - Minneapolis, Minnesota
*John's World Transcript:
THERE WAS ANOTHER GOVERNMENT REPORT ABOUT CLIMATE CHANGE RELEASED A FEW DAYS AGO. TOP CLIMATE SCIENTISTS OUTLINED IN CLEAR TERMS THE GRIM CONSEQUENCES ON THE HORIZON FOR PEOPLE AND AGRICULTURE. THE CHANGES IN CROP PRODUCTION WILL BE SIGNIFICANT. RICE PRODUCTION WILL LIKELY MOVE NORTH AND EAST TO COPE WITH DROUGHTS. CORN PRODUCTION WILL LIKEWISE SHIFT NORTHWARD AS SEASONS, ESPECIALLY WINTERS, GET WARMER. TOTAL CROP PRODUCTION FOR THE NATION COULD DECREASE EVEN WITH HIGHER YIELDS.
MOST ALARMING ARE THE PREDICTIONS FOR MUNICIPAL WATER SUPPLIES. CITIES, MANY OVER A MILLION, WILL FACE SEVERE WATER SHORTAGES BY 2050. AT THE SAME TIME THE EAST COAST WILL STRUGGLE WITH HIGHER SEA LEVELS WHICH THREATEN MAJOR INDUSTRIAL AREAS.. RAINFALL WILL BE INCREASINGLY CONCENTRATED IN THE SUMMER AND AUTUMN, WITH LONG DRY WINTERS AND MORE FREQUENT FLOODING DURING GROWING SEASONS.
THE REPORTS AUTHOR LEFT NO DOUBT ABOUT GOVERNMENT NEED TO BEGIN PLANNING TO ADAPT TO THESE CHANGES. LUCKILY THOSE EFFORTS TO ADAPT WON'T HAVE TO BE DEBATED BY CONGRESS. THERE WON'T BE BE MANY CHARGES OF SCIENTIFIC CONSPIRACY OR ACADEMIC FRAUD. THE POLITICS OF CLIMATE CHANGE WON'T BE THE DRIVING ISSUE. YOU SEE, THIS REPORT WAS ISSUED BY THE CHINESE ACADEMIC COMMUNITY FOR THEIR NATIONAL FUTURE. IT MAY BE THE U-S IS THE ONLY COUNTRY WHO SEES THROUGH THE ALLEGED CLIMATE CHANGE HOAX. OR THIS COULD BE ANOTHER AREA LIKE TEXTILES, CARS OR COMPUTERS WHERE WE WILL BE A FOLLOWER.